Services for Telecommunication Service Providers

Transcription

1 Services for Telecommunication Service Providers Wholesale

2 A. Broadband Services 1. Wholesale ADSL Bitstream Access ARYS Service 2. Wholesale ADSL Bitstream Backhaul OKSYA Service B. Local Loop Unbundling Services 3. Local Loop Unbundling 4. Collocation Services 5. Backhaul Solution C. Data Transfer Services 6. Wholesale Leased Lines (WLLs) Analogue & Digital Wholesale Leased Lines (Terminating Trunk Segments) 7. Capacity Provision Service Rights of Use (ROU) 8. OTE Ethernet Services Broadband Services D. Interconnection Services & Interconnection Implementation Services 9 a. Interconnection Services 9 b. Interconnection Implementation Services E. Value Added Services 10. Wholesale Line Rental (WLR) Service 11. Carrier Preselection Service (CPS) 12. Number Portability Service (NP) F. Unified Telephone Directory (UTD) and Access to the Unified Telephone Directory (UTD) Database 13 a. Unified Telephone Directory (UTD) 13 b. Access to the Unified Telephone Directory (UTD) Database Wholesale

3 Wholesale ADSL Bitstream Access ARYS Service ARYS Service enables Telecommunications Service Providers to offer ADSL broadband services to their end customers, ensuring high-speed connections, with the reliability and investments of the OTE network. Thanks to the ADSL technology, high-speed data transmission and continuous access are ensured for end users. The ADSL technology ensures higher data download rates compared to data upload rates. The service is provided by OTE on a wholesale basis only to Telecommunications Service Providers, who then have to combine it with the Wholesale ADSL Bistream Backhaul service (OKSYA) in order to provide integrated broadband services to end users. Thanks to the Wholesale ADSL and OKSYA services, a Telecommunications Service Provider acquires the ability to provide broadband services to end users, offering continuous Internet access and services that require high-speed transmission. Utilizing the OTE network, the ADSL service offers an Asymmetric Digital Subscriber Line between the ADSL modem connection point (at the end user s facilities) and the respective Broadband Remote Access Server (BRAS) of the OTE ADSL network. The use of digital signal encoding and processing methods increases the capacity of the line and transfers voice and data traffic to as well as from the Internet (ADSL technology). There are two different speed flavors available for the Wholesale ADSL service, with the corresponding download and upload rates: ARYS speed Download Rate (Kbps) Ρυθμός Ανόδου (Kbps) High 2, Premium Up to 24,576 1,024 Thanks to the OTE Wholesale ADSL Service: Telecommunications Service Providers can develop their own services packages at once, without any additional investments and operating costs, by using the network, the experience and the investments of OTE. The expansion of Broadband access with higher speeds in the entire Greek territory.

4 2.Wholesale ADSL Bitstream Backhaul OKSYA Service OKSYA is a service addressed to Telecommunications Service Providers and pertains to the physical and logical connection of the Provider s equipment to the OTE Broadband network, which is used to serve endusers ADSL connections. The service is available at three different speeds ranging between 2 Mbps and 10 Gbps and comes in three different modes: Local, Regional and Central. OKSYA Access Options : Local OKSYA is available locally at BRAS Points of Presence, routing ADSL traffic to the Telecommunications Service Provider s facilities, from all BRAS nodes that belong to the area, which holds the same area code. Regional OKSYA is available at BRAS Points of presence in Athens and Thessalonica, routing ADSL traffic to the Telecommunications Service Provider, from the BRAS in Southern and Northern Greece, respectively. Central OKSYA is available at a central connection point (Athens BRAS), routing ADSL traffic to the Telecommunications Service Provider, from all BRAS in the Greek territory. The OKSYA service offers to the Telecommunications Service Providers : Ultra high speeds up to 10 Gbps. Basic Service Level Agreement (Basic SLA) Multiple interface options (ATM, SDH and Gigabit Ethernet) Secure communications at SDH and ATM ring level, with a dedicated Gigabit Ethernet access pair of connections Reduced costs, with no need for investing in equipment National coverage using the Hellasstream and IP Core network One-stop shopping and one single bill

5 Wholesale 3.Local Loop Unbundling (LLU) Local Loop Unbundling Services Local Loop Unbundling Services enable the utilization of the copper subscriber network and OTE facilities for the provision of telecommunications services to end-users. The use of the Local Loop provides Telecommunications Service Providers with easy access to the OTE network, while at the same time takes advantage of opportunities for developing new technology services made possible thanks to the liberalization of telecommunications. Local Loop leasing enables a Telecommunications Service Provider to use and take advantage of the OTE copper subscriber network. A Telecommunications Service Provider can choose either of the below Local Loop Services: Full Local Loop Unbundling (full access): It enables the Telecommunications Service Provider to fully utilize the OTE copper cable for providing telephony and data transmission services. Shared Local Loop Unbundling (shared access): A Telecommunications Service Provider can utilize the OTE copper cable for data transmission to a subscriber, whereas OTE will still provide telephony services. Basic advantages of the Local Loop Unbundling Service: Direct connection to end-users, while they maintain their existing telephone numbers Ability to develop and provide new products, such as xdsl, double play and triple play services Subscriber access in the entire territory of Greece Network maintenance by OTE, without any additional operating costs Low access cost Direct & easy provision of Internet access

6 Graphic Representation of Collocation Services 4.Collocation Services Collocation Services enable the installation of Telecommunication Service Providers equipment inside (Physical Collocation) or outside (Remote Collocation) OTE Local Exchanges, so that the Provider can have access to LLU services and provide its subscribers with direct connection to its network. The local loop is connected from the end-user s premises to the provider s equipment installed in the Collocation area through OTE main distribution frame. Advantages of Collocation Services: Service provided in the entire national territory. Development of integrated solutions (technical designs, budgets) Immediate and easy provision of Internet access Ongoing development of new Collocation services in accordance with the European Telecommunications market OTE offers the following alternative Collocation Services Physical Collocation An especially designed area is provided by OTE in its buildings, along with all relevant space facilities (easy access, fire detection, airconditioning, security), where Telecommunications Service Provider s equipment can be installed. At the same time, relevant facilities are offered in order for a Telecommunications Service Provider to provide Local Loop Unbundling Services. Relevant Physical Collocation (P/C) Facilities: P/C Internal Link Cable (ILC) Connection Service P/C Optical Fiber Cable (OFC) Service

7 Remote Collocation (R/C): If a Telecommunications Service Provider owns equipment at a place other than the OTE Local Exchange and wishes to receive Local Loop Unbundling Services, OTE will provide the Remote Collocation (R/C) service. As part of such service, it is possible to connect copper pair cable from OTE Main Distribution Frame to the Provider s privately owned copper pair cable at the Provider Reception Manhole (PRM). The Provider s privately owned copper pair cable is routed from there to the Provider s facilities, at its POP. The above solution is different in Local Exchanges with less than subscribers where the Provider Reception Manhole must be constructed by the Telecommunications Service Provider. Relevant Remote Collocation (R/C) Solutions: Connection of the OTE Internal Link Termination Cable (ILTC) to the Provider s External Link Cable (ELC). ILTC - ELC Connection in the Telecommunications Service Provider Reception Manhole (TSPRM), which is constructed by the Telecommunications Service Provider. 5.Backhaul Solution In the form of Terminating Trunk Segments The Backhaul Solution is a service used for transmission and connection in the Physical Collocation area between the OTE Local Exchange Center (L/E) and the Telecommunications Service Provider s Point of Presence (PoP). Through the Backhaul, a Telecommunications Service Provider is able to connect its equipment installed in the Physical Collocation (P/C) areas to its PoP, all over Greece, via the OTE SDH Network. The Backhaul Solution is provided in the Local Exchange Centers (L/ Es), where a Telecommunications Service Provider has its Physical Collocation (P/C). The Backhaul Solution is provided via the Terminating and Trunk segments and the Transmission Link. If the L/E where the Physical Collocation area is located: A) is the same as the local L/E to which the Telecommunications Service Provider s Point of Presence (PoP) belongs, or it is also a Leased Line Central Node (LLCNo) in accordance with the OTE network architecture as described in the reference Wholesale Leased Line Terminating and Trunk Segment Offer, then the Backhaul Solution comprises: (i) a Terminating Segment, or (ii) a Terminating Segment + a Trunk Segment and is routed via a Transmission Link in P/C (of equal or higher Capacity) in the L/E Physical Collocation area. B) is not the same as the local L/E to which the Telecommunications Service Provider s Point of Presence (PoP) belongs, or it is not also an LLCNo (Leased Line Central Node) in accordance with the OTE network architecture as described in the reference Wholesale Leased Line Terminating and Trunk Segment Offer, Then the Backhaul Solution is provided via the Connected Extended Circuit, which comprises: (i) a Terminating Segment + a Trunk Segment + a Terminating Extended Segment, or (ii) a Terminating Segment + a Terminating Extended Segment. The Connected Extended Circuit is routed via a Transmission Link in P/C (whose capacity is equal to or higher than the one of the Connected Extended Circuit) in the Physical Collocation area. The Connected Extended Circuit sets up a circuit which can be cancelled as a whole without the option of canceling only parts thereof. A Terminating Extended Segment (ET) is a segment that links the Local Exchange (L/E) where the P/C is located to the nearest (overlying) Leased Line Central Node (LLCNo) or L/E in accordance with the OTE transmission network structure as described in the reference Wholesale Leased Line Trunk Segment Offer. A Terminating Extended Segment is part of a Connected Extended Circuit and is not provided as an independent circuit. The Backhaul Solution is available at the following capacities: 34 Mbps, 45 Mbit/s, 155 Mbit/s and 622 Mbit/s

8 The Backhaul Solution offers: Economies of scale Extensive National Coverage High Level of availability and Service management using the SDH Digital technology Two-way protection along the OTE network Flexible use of the range of speeds Reduced investment costs by using the required part of the OTE Network B. Terminating Extended Segment+ Terminating Segment Where the P/C area and the Provider s PoP are located in different L/Es, but they both belong to the same LLCNo. A. Terminating Extended Segment + Trunk Segment + Terminating Segment Where the P/C area in located in a L/E with an LLCNo other than the one of the local L/E of the Provider s PoP. * M.A.: Multiplexing Area ** The Terminating Extended Segment must be of the same capacity as the rest of the segments that make up the Connected Extended Circuit and is not an independent circuit.

9 Wholesale 6.Wholesale Leased Lines (WLLs) Analogue & Digital Wholesale Leased Lines (Terminating Trunk Segments) Data Transfer Services Wholesale Leased Lines (WLLs) are Voice and Data transmission circuits used by a Telecommunications Service Provider to be able to interconnect either its nodes or one of its clients to its network. Depending on their τechnical σtructures, Wholesale Leased Lines are classified as Digital and Analogue lines. Digital WLLs in the form of Terminating Trunk Segments Digital (End-to-End) Wholesale Leased Lines are classified as Terminating Trunk Segments and Transmission Links. Their architecture is based on the architecture of the OTE Transmission Network, which defines: 45 Leased Line Central Nodes (LLCNos) for the provision of Trunk Segments, which also define the corresponding Regions in Greece and, 202 Local Exchanges (L/Es) which belong to the above LLCNos, for the provision of Terminating Segments. A Wholesale Leased Line comprises: A Terminating Segment, or a Trunk Segment, or a combination thereof. Transmission Links where the Terminating and Trunk Segments are gathered in order to be routed from the OTE Network to a Provider s Network. A Connected Circuit can comprise: a Terminating Trunk Segment or a Terminating Terminating Segment, or a Terminating Trunk Terminating Segment, which are of the same capacity and are linked to one another. Wholesale Leased Lines are available at the following capacities: 64 kbit/s, 128 kbit/s, 256 kbit/s, 384 kbit/s, 512 kbit/s, 1024 kbit/s, 1920 kbit/s, 2 Mbit/s, 34 Mbit/s, 45 Mbit/s, 155 Mbit/s and 622 Mbit/s.

10 Description of Terminating Trunk Segment, Transmission Links and Connected Circuits Services. Terminating Segment: A Terminating Segment is a digital technology circuit that links an LL Client to the Local LLCNo or L/E which the LL Client (the Telecommunications Service Provider s client or the Telecommunications Service Provider itself) belongs to, in accordance with the OTE network architecture. In order to deliver Terminating Segments to a Telecommunications Service Provider at the LLCNo or the L/E, these can either be multiplexed to one Transmission Link (Full Span, In-Span or P/C), or can be linked to a Terminating or/and Trunk Segment (Connected Circuit) of the same capacity. Trunk Segment: A Trunk Segment is a circuit starting in the multiplexing area of an LLCNo and ending in the multiplexing area of another LLCNo; it is provided only between the 45 LLCNos. In order to deliver a Trunk Segment to a Telecommunications Service Provider at the LLCNo, it is multiplexed and integrated into each end respectively in a Transmission Link (Physical Collocation or Full Span or In-Span). Otherwise it can be linked (Connected Circuit): To a Terminating Segment at one end (Terminating Trunk), or at both ends to two terminating segments respectively (Terminating Trunk Terminating). Terminating and Trunk Segments are available at the following capacities: 64 kbit/s, 128 kbit/s, 256 kbit/s, 384 kbit/s, 512 kbit/s, 1024 kbit/s, 1920 kbit/s, 2 Mbit/s, 34 Mbit/s, 45 Mbit/s, 155 Mbit/s and 622 Mbit/s. Transmission link: It pertains to the additional service used for delivering terminating and trunk segments of Wholesale Leased Lines to a Telecommunications Service Provider. It is defined as the link between the Provider s Point of Presence (PoP) or network and the OTE network LLCNo or L/E. Transmission Links are provided at the OTE 45 LLCNos and 202 L/Es. The types of Transmission Links are as follows: A. Full Span Transmission Link. B. In-Span Transmission Link. C. P/C (Physical Collocation) Transmission Link Connected Circuits: A Connected Circuit comprises Terminating or/and Trunk segments and falls necessarily within one of the following groups: A Terminating Segment linked to another Terminating Segment at a L/E or LLCNo level, where both ends of such segments are linked at one common connection point. A Terminating Segment linked to a Trunk Segment at an LLCNo level, where both ends of such segments are linked at one common connection point. A Trunk Segment linked on both sides to two Terminating Segments at an LLCNo level. Each Trunk Segment has a common connection point with 2 Terminating Segments, linked at its ends. Connected Circuits set up an end-to-end network and are necessarily of the same speed. Full Span Transmission Link: A symmetric line of dedicated capacity whose one end is located at an LLCNo or L/E and the other end is located at the Provider s facilities (Provider s Point of Presence - PoP).

11 A Full Span Transmission Link can comprise the following: i) A Terminating Segment iv) A Terminating Segment + a Terminating Extended Segment* ii) A Terminating Segment + a Trunk Segment iii) A Terminating Segment + a Trunk Segment + a Terminating Extended Segment * * A Terminating Extended Segment (ET) is a segment that links the Local Exchange (L/E) where the P/C is located to the nearest (overlying) Leased Line Central Node (LLCNo) or L/E in accordance with the OTE transmission network structure as described in the reference Wholesale Leased Line Trunk Segment Offer. A Terminating Extended Segment is part of a Full Span Link and is not provided as an independent circuit. It is available at the following capacities: 2 Mbit/s, 34 Mbit/s, 45 Mbit/s, 155 Mbit/s and 622 Mbit/s. In-Span Transmission Link: A symmetric line of dedicated capacity whose one end is located in the multiplexing area of an LLCNo or L/E and the other end is the optical connector inside the Provider Reception Manhole (PRM) located close to the OTE LLCNo or L/E. It is available at the following capacities: 34 Mbit/s, 155 Mbit/s and 622 Mbit/s. Physical Collocation Transmission Link: It is a symmetric circuit of dedicated capacity whose one end is located in the multiplexing area of an LLCNo or L/E and the other end reaches the optical distributor inside the P/C area located in the LLCNo or L/E in question. It is available at the following capacities: 2 Mbit/s, 34 Mbit/s, 45 Mbit/s, 155 Mbit/s and 622 Mbit/s. Terminating Segment: It is a digital technology symmetric link of dedicated capacity between a LL Client and the local OTE L/E or LLCNo which the LL Client belongs to, in accordance with the OTE network architecture.

12 CONNECTED CIRCUIT (Terminating Segment + Trunk Segment): A connected Circuit, is a circuit with its parts being of the same speed, which consists of 1 Terminating Segment and 1 Trunk Segment. The Terminating Segment is linked to the Trunk Segment at an LLCNo level, where both ends of such segments are linked at one common connection point (one common end). It is delivered to the Telecommunications Service Provider at each LLCNo via a Transmission Link (Full Span Link, In-Span Link or P/C). Trunk Segment: A Trunk Segment is a circuit that begins in the multiplexing area of an LLCNo and ends in the multiplexing area of another LLCNo, which is provided only between the 45 LLCNos. It is delivered to the Telecommunications Service Provider at each LLCNo via a Transmission Link (Full Span Link, In-Span Link or P/C). CONNECTED CIRCUIT (Terminating Segment + Trunk Segment + Terminating Segment): A connection Circuit, is a circuit with its parts being of the same speed, which consists of 2 Terminating Segments and 1 Trunk Segment. The Trunk Segment whose both ends are linked to two Terminating Segments at an LLCNo level. Each end of the Trunk Segment is linked to and is common with one end of each Terminating Segment.

13 7.Capacity Provision Service Rights of Use (ROU) The OTE Wholesale Leased Lines offer: Access at the Telecommunications Service Providers PoPs, as well as at third party (Client) PoPs Economies of scale through the grouping of Terminating and Trunk Segments into Transmission Links Advantageous solutions, adapted to the special needs of Telecommunications Service Providers and their clients Extensive National Coverage High Level of availability and Service management Two-way protection along the network Flexible use of the range of speeds Reduced investment costs by using the required and appropriate part of the OTE Network Analogue Leased Lines Analogue Leased Lines are provided in accordance with the international ITU-T recommendations and they can be either M-1040 quality Lines appropriate for Voice transmission, which require no special measurements, or M-1020/1025 quality Lines appropriate for Data transmission, which do require special measurements. Analogue Leased Lines are provided as point-to-point (p-t-p) interconnected analogue circuits via the OTE Digital Centers depending on copper availability and optimum use, without necessarily following the architecture of the OTE Nodal Network, as required for the Wholesale provision of Digital Leased Lines. The Capacity Provision Service pertains to the provision of 622 Mbps, 2.5 Gbps & 10 Gbps Capacities. Capacity Provision through the Rights of Use (ROU) model refers to the long-term provision of the exclusive right of use of high capacities, depending on a Telecommunications Service Provider s needs. In accordance with the Rights of Use (ROU) model, a Telecommunications Service Provider will pay in advance a preagreed price for the entire term of the agreement (up-front payment) and an additional annual amount for operation and maintenance (O&M) costs. Thus the Provider will have the right of use of the capacity for the entire time period set out in the Capacity Provision Agreement. Benefits of the Capacity Provision through the Rights of Use (RoU) Model: Securing the exclusive and long-term use of a backbone network offering high capacities Financially advantageous solution Reduced risks associated with the development of infrastructures High network availability Reduced operating costs for personnel training and network management Improved image of the Telecommunications Service Provider in the market, promise of long-term smooth operation and development

14 8.OTE Ethernet Service The OTE Ethernet Service is addressed to Telecommunication Service Providers and enables them to Connect their own Points of Presence or with those of their third parties for the transmission of data traffic. It also allows data transfer from a Physical Collocation (PC) room, to a Telecommunication Service Provider s Point of Presence. The continually expanding OTE Ethernet Network ensures security, high speed, substantial cost effectiveness and flexibility regarding data transmission and traffic routing. Traffic Routing between a Telecommunication Service Provider s points of presence is done Transparently, by simulating an IEEE PHY connection on the Telecommunication Service Provider s side. Thus, every Telecommunication Service Provider is able to plan and implement its own IP architecture, adapting its own needs without any intervention by OTE in the routing of packages. Depending on the access technology used, the following access speeds are available: For the SHDSL circuits: 1, 2 and 4 Mbps For fiber optics circuits, 6 Mbps to 10 Gbps Through the use of the OTE Ethernet Service, Telecommunication Service Providers can enjoy: High Communication Capabilities, perfectly adapted to their own needs and traffic volumes Data transmission at ultra high speeds with the utmost security Flexibility and capability for circuit upgrade and modification Cost cutting and preventing a waste of resources, since every single Euro is spent on useful data routes and traffic Transparency in all Protocols The OTE Ethernet Service is available with the security and quality characteristics of a virtual private network (VPN), whereas access to the network is offered with high availability characteristics. OTE undertakes the management and support of the network at a layer2 level, and communication security is ensured through the ΕοΜPLS technology. The OTE Ethernet service has been designed to take into account the Geographic Coverage and in particular the special Topology of each Telecommunication Service Provider s points of presence, thus meeting all the Telecommunication Service Provider s particular needs all over Greece, both at Local and Long Distance levels. The Points of Presence of the OTE Ethernet Service are being increased constantly, currently covering 151 OTE s Local Exchanges in 30 Urban Areas throughout Greece, which can be connected with one another. The connection of a Telecommunication Service Provider s Points of Presence with the corresponding OTE Ethernet nodes is implemented via fiber optics, or copper infrastructure using SHDSL technology, covering a wide range of scalable access speeds.

15 Wholesale 9 a. Interconnection Services Interconnection & Interconnection Implementation Services Interconnection is the physical & logical connection between OTE and Telecommunication Service Providers networks, which enables their respective end-users to: - communicate with each other - have access to services provided by OTE, or other Telecommunication Service Provider Basic Interconnection Voice Services offered by OTE : Call Termination To OTE geographical numbers To OTE short-code numbers To OTE Freephone (800) & Onephone (801) numbers Call Origination Wholesale Call Origination via Carrier Selection/Carrier Pre-selection Code Wholesale Call Origination to Pre-paid Calling cards numbers (807) and Freephone numbers (800) Call origination to Telecommunication Service Provider geographical and non-geographical numbers Transit Combined with wholesale termination Combined with wholesale origination To third-party networks via OTE network International traffic services International incoming call termination to domestic Telecommunication Service Provider, via OTE network International outgoing call termination, via OTE network Value Added Voice Services Wide range of value added voice services: Access to Directory enquiry short code numbers (118XX) Access to Multimedia information short code numbers (14YXX) Access to Premium Rate service numbers (901XXXXXXX & 909XXXXXXX)

16 9 b. Interconnection Implementation Services Full Span Interconnection Links: Telecommunication Service Providers establish Interconnection with OTE by connecting their points of presence (PoPs) with predefined OTE interconnection points, via 2 Mbps interconnection links. Thus, routing of Interconnection traffic is implemented by physical and logical connections between the two networks. The necessary equipment is provided and installed by OTE. Interconnection Links can be provided at both local and long distance level, ensuring flexibility, cost-effectiveness and reduced investment costs. H-ZEUS Service: Telecommunication Service Providers can establish Interconnection with OTE by connecting at a point in close proximity to OTE facilities (~50 m). The Fiber-optic Interconnection between OTE and Telecommunication Service Providers is implemented through an optic link inside the Telecommunication Service Providers Reception Manhole (CRM), which constitutes the demarcation point between OTE s and Telecommunication Service Providers networks. 2 Mbps interconnection links are established between OTE s Local Exchange and the Telecommunication Service Provider s PoP through an STM-1 carrier frame. H-ZEUS service allows Telecommunication Service Providers to utilize proprietary infrastructures and therefore reduce Interconnection costs.

17 Wholesale 10. Wholesale Line Rental (WLR) Service Value Added Services The Wholesale Line Rental (WLR) Service, enables a Telecommunication Service Provider to lease the end-users access line (PSTN & ISDN BRA) and offer them his own branded voice services, using the OTE network. The WLR service offered by OTE, provides Telecommunication Service Providers with a significant business opportunity, as the latter is able to provide integrated services to his customers and establish an exclusive contact and relationship with them. A necessary prerequisite for the provision of the WLR service is the Carrier Pre-selection (C.P.S.) Scheme 3 service, which allows endusers to select, in advance, a Telecommunication Service Provider to carry their calls, without having to dial a prefix on a call by call basis. The WLR service offers: single billing for the end user, thus enabling Telecommunication Service Provider to control their relationship with their customer Nationwide coverage High automation level and effective procedure used for activation/ deactivation of the service, as well as for monitoring the progress of relevant orders through the Wholesale-CRM Computer System Wide range of facilities and supplementary services Basic SL

18 11. Carrier Preselection Service (CPS) Carrier Pre-Selection (CPS) service, allows end-users to select, in advance, a Telecommunication Service Provider to carry their calls, without having to dial a prefix on a call by call basis. End-user s selection, according to the CPS call options offered, will be pre-programmed into OTE s switches and calls will be automatically routed to Telecommunication Service Providers network. The Preselected ECNSP will carry the calls to their final destination and will provide direct billing and support services to the end-user. OTE offers the following Carrier Preselection options: 1. International calls 2. Long distance calls and calls to mobiles 3. Local, Long distance, International and mobile calls 12. Number Portability Service (NP) The Number Portability Service enables end-users to change their Telecommunication Service Providerswhilst keeping their existing telephone number.. The Service is provided to: 1. Geographical numbers 2. Non-geographical numbers In order to implement ΝP service, OTE has developed an automated platform for handling orders between its existing I.T and telecommunications systems, ensuring timely activation of NP requests and correct routing. Benefits of the service: Effective activation/deactivation procedure through Wholesale CRM system Monitoring the order progress through the Wholesale-CRM system Direct billing and support services provision by the Preselected Telecommunication Service Provider to his customers.

19 Wholesale Unified Telephone Directory (UTD) Unified Telephone Directory (UTD) and Access to the Unified Telephone Directory (UTD) Database OTE, being the Incumbent in Greece, in an effort to ensure even better services to all end users and Telecommunication Service Providers, issues and distributes the printed Unified Telephone Directory (UTD). The Unified Telephone Directory includes subscribers of all mobile and fixed ECNSP who have not declared their objection to being listed therein. The Unified Telephone Directory is issued on an annual basis, covers the entire territory of Greece and comprises a total of 19 volumes, namely: Thessalonica Eastern Macedonia Central Macedonia Western Macedonia Athens I (A-Z) Athens II (H-Λ) Athens III (Μ-Π) Athens IV (Ρ-Ω) Rest of Attica Cyclades Dodecanese Thrace Central & Eastern Sterea Greece & Evia Achaia-Zakynthos-Ilia-Kefallonia Western Sterea Greece-Epirus-Corfu-Lefkas Thessaly Peloponnese Crete Northeastern Aegean Islands

20 13 b. Access to the Unified Telephone Directory (UTD) Database On line access to the UTD Database, that is, to the fixed and mobile subscribers data through a flexible and functional Web interface Addressed to Telecommunication Service Providers who have the right to provide telephone directory services, i.e. companies that have been registered by the Greek National Regulatory Authority (EETT) to the Records of elecommunication Service Providers, under Service Code B0910: Telephone Directory Service Provision Access on a 24-hour basis, 365 days per year Help desk service Services for Telecommunication Service Providers