Technical Communication 1201 Norphonic emergency rugged telephone on Alcatel-Lucent OmniPCX Enterprise

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1 Technical Communication 1201 Norphonic emergency rugged telephone on Alcatel-Lucent OmniPCX Enterprise This document describes configuration procedure for your Alcatel-Lucent OmniPCX Enterprise PBX in order to operate with the Norphonic Emergency phones. Detailed description is provided to assist engineers in configuring Alcatel-Lucent OmniPCX Enterprise and the Norphonic Emergency Telephones. The configuration is done and tested in lab, using OmniPCX Enterprise R10, j c and the Norphonic Emergency Rugged Telephone V8. The procedure requires a minimum knowledge to SIP basics, linux, ftp, and wireshark usage. This document includes SIP traces with successful communications for engineers to compare with on-site traces. The on-site network must provide the Norphonic Phones with IP address and TFTP server providing configuration files. Learn more about our innovations at At Norphonic, we produce Heavy Duty VoIP Telephones for emergency and industrial areas. Our vision is based on a unified and consistent approach to delivering products that can interface with other communication systems, thereby reducing costs and eliminating inefficiencies of using proprietary and non-reusable solutions. Norphonic AS Fabrikkgaten 10 N-5059 BERGEN Contact: Office: Document: tc1201

2 This publication is a guide for reference only. Reference to local codes and standards for compliance of system design should always be sought. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose without the express written permission of Norphonic. Please contact Norphonic for further information. The manufacturer reserves the right to change designs or specifications without obligation and without further notice. This document is owned by Norphonic and you agree not to copy, communicate to the public, adapt, distribute, transfer, sell, modify or publish any content of this document without express prior written consent from the owner. Norphonic is a registered company registration number NO Norphonic AS Fabrikkgaten 10 N-5059 Bergen Contact: Office:

3 Contents Setting up Alcatel SIP system... 1 Know your environment... 1 Important prerequisites... 1 RTP Direct... 1 GF Diversion on joining must be disabled to ensure correct forwarding of calls Start Configuration... 1 Make sure your SIP Network Number is defined as ABC_F... 1 Create Your SIP Trunk Group. Some options may appear after first validation Configure the virtual access on the trunk... 2 Select Compression Type... 2 Create your SIP gateway... 2 Set your Proxy parameters... 3 Command to restart the Alcatel SIP engine:... 3 Add your SIP user... 3 Setting up Norphonic phone... 3 Tracing sip on Alcatel-Lucent OXE... 4 Trace applications... 4 Using sipdump... 4 Using motortrace... 5 Using tcpdump... 6 Successful SIP registration... 6 Scenario... 6 Trace... 7 Norphonic phone trying register with too brief Expires time... 8 Scenario... 8 Trace... 9 Successful call from Alcatel-Lucent 4028 IP set to Norphonic Phone Scenario Trace Authentication fail due to missing Realm setting in SIP SIP Proxy Scenario Trace Incoming call with Session Timer Too Small Scenario Trace Questions and Answers Q: Norphonic phone is registered but calls are rejected. Call to Norphonic phone is fine Q: The Norphonic Phone registers with the proxy but cannot make calls. Alcatel ISSUES a 502 Bad Gateway message Norphonic AS Fabrikkgaten 10 N-5059 Bergen Contact: Office:

4 Q: The Norphonic phone is challenged with a Status: 407 Proxy Authentication Required and call establishment from Norphonic phone is failing Words and abbreviations Disclaimer... Error! Bookmark not defined. Norphonic AS Fabrikkgaten 10 N-5059 Bergen Contact: Office:

5 Setting up Alcatel SIP system Know your environment To ensure parameters are set up correctly, please note the following information: Definition Description Value in example $_SIPNetworkNumber Find an unused network number in Translator Network Routing Table $_SIPTrunkGroup A free Trunk Group ID 10 $_OXENodeNumber Locate your Node number in System Node Number $_OXEIPAddress Defined in netadmin installation $_OXEHostname Defined in netadmin installation demo 10 1 The values will be referenced as defined in the first column. Important prerequisites RTP Direct IP > IP Parameters: Direct RTP For H323 Terminals True GF Diversion on joining must be disabled to ensure correct forwarding of calls. System > Other System Param. > External Signaling Parameters: gf diversion on joining False Start Configuration Make sure your SIP Network Number is defined as ABC_F Translator > Network Routing Table: Review/modify [$_SIPNetworkNumber] Protocol Type ABC_F Page 1

6 Create Your SIP Trunk Group. Some options may appear after first validation. Trunk Groups: Create Trunk Group ID Trunk Group Type Remote Network Node Number Q931 Signal variant T2 Specification $_SIPTrunkGroup T2 $_SIPNetworkNumber $_OXENodeNumber ABC_F SIP Configure the virtual access on the trunk Trunk Groups > Trunk Group [$_SIPTrunkGroup] : Review/modify Virtual access for SIP Define an even number of accesses to define how many simultaneous calls needed. Each access provides 30 simultaneous calls. Select Compression Type The selection made here defines the OXE s codec offer to SIP UA. G711 will make OXE offer the uncpmpressed G711 codec on this specific Trunk. Selecting Default points to System Other System Param. - Compression Parameters - Compression Type Trunk groups Trunk Group[$_SIPTrunkGroup] : Review/Modify IP Compression Type Default The Compression Type selected in System Parameters control which codec is used when IP Domain requires use of compression. System > System Parameters > Other system param. > Compression Parameters: Review/Modify Compression Type G 729 Norphonic Phone support G729 compression Create your SIP gateway This defines where Alcatel-Lucent receives and handles SIP proxy functions. SIP SIP Gateway SIP Subnetwork $_SIPSubNetwork SIP Trunk Group $_SIPTrunkGroup IP Address Automatically updated Machine name Host Automatically updated SIP Port number 6060 SIP Proxy Port Number 5060 SIP Subscribe Min Duration 1800 Page 2

7 SIP Subscribe Max Duration SDP in 18x Set True to include Session Description Protocol information in 18x messages (RFC 3261) If your system needs to handle fully qualified domain names (FQDN), add the following information as well: DNS Local domainname SIP DNS1 IP Address SIP DNS2 IP Address Ex.: company_network.lan Address to primary dns Address to secondary dns Set your Proxy parameters SIP SIP Proxy Parameter Value Description Minimal authentication method SIP Digest RFC 2617 with auth qop Authentication realm Anything Norphonic phones will adapt to OXE s request. Field cannot be left empty. Only authenticated incoming calls False Do not require additional Authentication on incoming call TCP when long messages False No TCP at all Command to restart the Alcatel SIP engine: # dhs3_init -R SIPMOTOR Add your SIP user Users Create Directory number Ex.: 4458 Directory name Ex.: Norphonic 58 Set Type SIP URL username Username used for Proxy authentication Ex.: 1158 URL Domain Leave blank SIP Password SIP Proxy authentication password Ex.: secret58 Setting up Norphonic phone Your network must be set up to supply the phones with DHCP addresses and pointing TFTP towards a server supplying the configuration files. The name of the file must be either of [IP-address].cfg or [MAC-address].cfg. I.e.: cfg or 1045BE cfg. Page 3

8 Config file example content: sip_display_name=norphonic 1158 sip_user_name=4458 sip_proxy_server= :5060 proxy_user_name=1158 proxy_domain_name= default_if_name=br0 transport_tcp=0 sip_port=5060 audio_=/dev/dsp audio_frag_size=128 audio_frag_count=4 audio_aec_settings=0x54b0 0x2a82 0x0008 selftest_interval=3600 reregister_interval=1800 srv_auth=1 srv_auth_user_name=1158 srv_auth_realm= srv_auth_passwd=secret58 dial_enabled=1 dial_numbering_schema=:4; dial_domain= Tracing sip on Alcatel-Lucent OXE Trace applications Using sipdump This method print information to terminal window and additional information from OXE s SIP engine is added. Initiate two telnet sessions to the OXE, using your telnet client of choice. After logging in, disable the auto logout mechanism by command: (1)norphonic> timout 0 timout disabled. In the first telnet session, start sipdump: (1)norphonic> sipdump Wed May 9 10:45:11 CEST 2012 SIP Gateway resources menu 1 - Dump the gateway management datas 2 - Dump a call 3 - Display the number of calls 4 - Display the calls-neqt mapping 5 - Display the calls list 6 - Display the detailed calls list 7 - Release a call 8 - Display subscription list Page 4

9 9 - Display calls through a gateway 10 - Display calls in a trunk group 11 - SIP traces filters 12 - Display registred users 13 - Display CPU-SSM connections 0 - Exit Choice [0-13] : In the second telnet session, change to a directory in a partition with more space. (1)norphonic> cd /usr4/backup/immed/ (1)norphonic> Start traced: (1)norphonic> traced In your first telnet session, type 1 in the menu and check for trace information display in the second telnet session: Wed May 9 11:39: [ipc_thread] IPC Thread : TCL thread signaled. Wed May 9 11:39: [exec_ipc] in Wed May 9 11:39: [display_ipc_in] Begin Wed May 9 11:39: neqt : -1 Id : -1 Wed May 9 11:39: RELATIVE REQUEST : SIP_MOTOR_DUMP_REQUEST Wed May 9 11:39: [display_ipc_in] End Wed May 9 11:39: [CMotorCallManager::onIncomingEvent] an event arrived on the eqt Wed May 9 11:39: [onincomingevent] SIP_MOTOR_DUMP_REQUEST arrived. Wed May 9 11:39: [exec_ipc] in end Wed May 9 11:39: Wed May 9 11:39: Gateway Management Datas Wed May 9 11:39: Wed May 9 11:39: Wed May 9 11:39: Use of licences : Yes Wed May 9 11:39: Number of initial licenses : 2 Wed May 9 11:39: Number of available licences : 2 Wed May 9 11:39: Number of initial Tls licenses : 0 Wed May 9 11:39: Number of available Tls licences : 0 Wed May 9 11:39: Wed May 9 11:39: Main server : Yes Wed May 9 11:39: Degraded mode : Yes Wed May 9 11:39: Degraded mode : No Wed May 9 11:39: Trace information will appear in this window. Using motortrace This procedure make sipmotor engine create descriptive logs directly to traced. Initiate a telnet sessions to the OXE, using your telnet client of choice. After logging in, disable the auto logout mechanism by command: (1)norphonic> timout 0 timout disabled. Set sipmotor trace level to 3: (1)norphonic> motortrace 3 motortrace (v5.2.0) verbosity = 0037b524 sipmotor trace-level set 3 (All traces). (1)norphonic> traced ** UNIX-trace-daemon started... (static user group No 1) ** traced started... You may also pipe the output to a file: traced > siptrace01.txt Page 5

10 The traced application is stopped with a common break signal, Ctrl-C. Sipdump may be used in along with motortrace. Using tcpdump This method copies data traffic on the network for the purpose of analyzing with an external application. Initiate a telnet sessions to the OXE, using your telnet client of choice. After logging in, disable the auto logout mechanism by command: (1)norphonic> timout 0 timout disabled. In the telnet session, switch to user root and enter the root password. (default: letacla) (1)norphonic> su - Password: root]# Again, disable the auto logout mechanism and change to a directory in a partition with more space. root]# timout 0 timout disabled. root]# cd /usr4/backup/immed/ IMMED]# Start a dump of network traffic to and from the IP assigned your Norphonic Emergency phone and save the result to a file. The information is written binary to the.cap file and must be analyzed with wireshark. The wireshark tool is not described here. Refer to for additional information. Description of switches: -s 0 set snaplength to infinite and make tcpdump save the entire content of each tcp package, -w trace01.cap write the captured data to the file trace01.cap, -I eth0 ensure tcpdump capture data on Ethernet interface eth0 and host limit the capture to traffic to and from IMMED]# tcpdump -s 0 -w trace01.cap -i eth0 host tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size bytes There will be no output in terminal during capture. Break the ongoing capture with a Ctrl-C when capture is considered done. The terminal will answer with statistics of the finished tcpdump job. 11 packets captured 11 packets received by filter 0 packets dropped by kernel IMMED]# Retrieve the.cap file from /usr4/backup/immed by ftp and open for analyzing with Wireshark. Successful SIP registration Scenario Norphonic Phone at tries to register with Alcatel Lucent OmniPCX Enterprise at in Frame 1. OXE replies a 401 Unauthorized in frame 2 with a request for WWW Digest Auth and qop= auth Norphonic Phone run a new REGISTER message according to RFC 2617 with WWW- Authenticate:Digest and qop= auth. OXE grants the REGISTER with a 200 OK in frame 4. Page 6

11 Trace SIP 509 Request: REGISTER sip: :5060 Frame 1: 509 bytes on wire (4072 bits), 509 bytes captured (4072 bits) Ethernet II, Src: JuniperN_7a:ab:82, Dst: AlcatelB_34:45:d2 Request-Line: REGISTER sip: :5060 SIP/ :5060;rport;branch=z9hG4bK1q6b6efb49933a From: SIP tag: To: Call-ID: CSeq: 1 REGISTER Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE Contact: Contact-URI: Max-Forwards: 15 Supported: replaces, timer Expires: SIP 441 Status: 401 Unauthorized (0 bindings) Frame 2: 441 bytes on wire (3528 bits), 441 bytes captured (3528 bits) Ethernet II, Src: AlcatelB_34:45:d2, Dst: JuniperN_7a:ab:82 Status-Line: SIP/ Unauthorized WWW-Authenticate: Digest qop="auth",nonce="94f8f57f853b a6b3295c1afe",realm="anything" Authentication Scheme: Digest qop="auth" nonce="94f8f57f853b a6b3295c1afe" realm="anything" To: SIP tag: 882fc470f6408ee8334b64222d9e6e9b From: SIP tag: Call-ID: CSeq: 1 REGISTER :5060;received= ;rport=5060;branch=z9hG4bK1q6b6efb49933a SIP 736 Request: REGISTER sip: :5060 Frame 3: 736 bytes on wire (5888 bits), 736 bytes captured (5888 bits) Ethernet II, Src: JuniperN_7a:ab:82, Dst: AlcatelB_34:45:d2 Page 7

12 Request-Line: REGISTER sip: :5060 SIP/ :5060;rport;branch=z9hG4bK2q6b6efb49933a From: SIP tag: To: Call-ID: CSeq: 2 REGISTER Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE Contact: Contact-URI: Authorization: Digest realm="anything", nonce="94f8f57f853b a6b3295c1afe", username="1158", uri="sip: :5060", response="1f4c0ba00b cc4c2bda14", nc= , cnonce=" ", qop=auth, algorithm=md5 Authentication Scheme: Digest realm="anything" nonce="94f8f57f853b a6b3295c1afe" username="1158" uri="sip: :5060" response="1f4c0ba00b cc4c2bda14" nc= cnonce=" " qop=auth algorithm=md5 Max-Forwards: 15 Supported: replaces, timer Expires: SIP 387 Status: 200 OK (1 bindings) Frame 4: 387 bytes on wire (3096 bits), 387 bytes captured (3096 bits) Ethernet II, Src: AlcatelB_34:45:d2, Dst: JuniperN_7a:ab:82 Status-Line: SIP/ OK Contact: Contact-URI: Contact parameter: expires=1800 To: SIP tag: 9ba8b7f306bd4f ac53cb1b From: SIP tag: Call-ID: CSeq: 2 REGISTER :5060;received= ;rport=5060;branch=z9hG4bK2q6b6efb49933a Norphonic phone trying register with too brief Expires time Scenario Page 8

13 Norphonic Phone issues a REGISTER request in frame 1 and get challenged with authentication in frame 2. The Phone REGISTER with Authentication in frame 3 and is informed with Status: 423 Registration Too Brief with information on Min-Expires Norphonic Phone adapts to the requested Expires time and issue a new REGISTER. The OXE grant the registration. Trace SIP 508 Request: REGISTER sip: :5060 Frame 1: 508 bytes on wire (4064 bits), 508 bytes captured (4064 bits) Ethernet II, Src: JuniperN_7a:ab:82, Dst: AlcatelB_34:45:d2 Request-Line: REGISTER sip: :5060 SIP/ :5060;rport;branch=z9hG4bK1q292adec5c73f From: SIP tag: To: Call-ID: CSeq: 1 REGISTER Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE Contact: Contact-URI: Max-Forwards: 15 Supported: replaces, timer Expires: SIP 441 Status: 401 Unauthorized (0 bindings) Frame 2: 441 bytes on wire (3528 bits), 441 bytes captured (3528 bits) Ethernet II, Src: AlcatelB_34:45:d2, Dst: JuniperN_7a:ab:82 Status-Line: SIP/ Unauthorized WWW-Authenticate: Digest qop="auth",nonce="94f8f57f853b a6b3295c1afe",realm="anything" Authentication Scheme: Digest qop="auth" nonce="94f8f57f853b a6b3295c1afe" realm="anything" To: SIP tag: 3e5740a69ea d cbcdd3 From: SIP tag: Call-ID: CSeq: 1 REGISTER :5060;received= ;rport=5060;branch=z9hG4bK1q292adec5c73f Page 9

14 SIP 735 Request: REGISTER sip: :5060 Frame 3: 735 bytes on wire (5880 bits), 735 bytes captured (5880 bits) Ethernet II, Src: JuniperN_7a:ab:82, Dst: AlcatelB_34:45:d2 Request-Line: REGISTER sip: :5060 SIP/ :5060;rport;branch=z9hG4bK2q292adec5c73f From: SIP tag: To: Call-ID: CSeq: 2 REGISTER Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE Contact: Contact-URI: Authorization: Digest realm="anything", nonce="94f8f57f853b a6b3295c1afe", username="1158", uri="sip: :5060", response="7b cbf0e5b39f707869ea29f58", nc= , cnonce=" ", qop=auth, algorithm=md5 Authentication Scheme: Digest realm="anything" nonce="94f8f57f853b a6b3295c1afe" username="1158" uri="sip: :5060" response="7b cbf0e5b39f707869ea29f58" nc= cnonce=" " qop=auth algorithm=md5 Max-Forwards: 15 Supported: replaces, timer Expires: SIP 375 Status: 423 Registration Too Brief (0 bindings) Frame 4: 375 bytes on wire (3000 bits), 375 bytes captured (3000 bits) Ethernet II, Src: AlcatelB_34:45:d2, Dst: JuniperN_7a:ab:82 Status-Line: SIP/ Registration Too Brief Min-Expires: 1800 To: SIP tag: 1ee22a867aa7d60ed765680ced32f3fa From: SIP tag: Call-ID: CSeq: 2 REGISTER :5060;received= ;rport=5060;branch=z9hG4bK2q292adec5c73f SIP 736 Request: REGISTER sip: :5060 Frame 5: 736 bytes on wire (5888 bits), 736 bytes captured (5888 bits) Page 10

15 Ethernet II, Src: JuniperN_7a:ab:82, Dst: AlcatelB_34:45:d2 Request-Line: REGISTER sip: :5060 SIP/ :5060;rport;branch=z9hG4bK3q292adec5c73f From: SIP tag: To: Call-ID: CSeq: 3 REGISTER Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE Contact: Contact-URI: Authorization: Digest realm="anything", nonce="94f8f57f853b a6b3295c1afe", username="1158", uri="sip: :5060", response="7b cbf0e5b39f707869ea29f58", nc= , cnonce=" ", qop=auth, algorithm=md5 Authentication Scheme: Digest realm="anything" nonce="94f8f57f853b a6b3295c1afe" username="1158" uri="sip: :5060" response="7b cbf0e5b39f707869ea29f58" nc= cnonce=" " qop=auth algorithm=md5 Max-Forwards: 15 Supported: replaces, timer Expires: SIP 387 Status: 200 OK (1 bindings) Frame 6: 387 bytes on wire (3096 bits), 387 bytes captured (3096 bits) Ethernet II, Src: AlcatelB_34:45:d2, Dst: JuniperN_7a:ab:82 Status-Line: SIP/ OK Contact: Contact-URI: Contact parameter: expires=1800 To: SIP tag: c5610ebf523976ff d6761bc0a From: SIP tag: Call-ID: CSeq: 3 REGISTER :5060;received= ;rport=5060;branch=z9hG4bK3q292adec5c73f Page 11

16 Successful call from Alcatel-Lucent 4028 IP set to Norphonic Phone Scenario IP Touch 4028 Invite Norphonic phone for session and offer PCMA/8000 codec in frame 1. This is equivalent to G711 alaw The Norphonic Phone issue a 100 Trying, a 180 Ringing and a 200 Call accepted in frames 2, 3 and 4. IP Touch 4028 replies with a ACK as the communication is set up in frame 5. The call is ended with a Request: BYE from the IP Touch 4028 and a 200 OK from the Norphonic Phone. Trace SIP/SDP 905 Request: INVITE with session description Frame 1: 905 bytes on wire (7240 bits), 905 bytes captured (7240 bits) Ethernet II, Src: AlcatelB_34:45:d2, Dst: JuniperN_7a:ab:82 Request-Line: INVITE SIP/2.0 Allow: INVITE, ACK, CANCEL, BYE, PRACK, NOTIFY, REFER, SUBSCRIBE, OPTIONS, UPDATE, INFO Supported: histinfo,replaces,timer,path User-Agent: OmniPCX Enterprise R10.0 j Session-Expires: 1800;refresher=uac Min-SE: 900 Content-Type: application/sdp To: From: "Test" Contact: Call-ID: CSeq: INVITE ;branch=z9hG4bK46784bbd8eb0148fc10691d9766de172 Max-Forwards: 70 Content-Length: 209 Message Body Session Description Protocol Session Description Protocol Version (v): 0 Owner/Creator, Session Id (o): OXE IN IP Session Name (s): abs Connection Information (c): IN IP Time Description, active time (t): 0 0 Media Description, name and address (m): audio RTP/AVP 8 97 Media Attribute (a): sendrecv Media Attribute (a): rtpmap:8 PCMA/8000 Media Attribute (a): ptime:20 Media Attribute (a): maxptime:30 Media Attribute (a): rtpmap:97 telephone-event/ SIP 439 Status: 100 Trying... Frame 2: 439 bytes on wire (3512 bits), 439 bytes captured (3512 bits) Ethernet II, Src: JuniperN_7a:ab:82, Dst: AlcatelB_34:45:d2 Page 12

17 Status-Line: SIP/ Trying :5060;received= ;branch=z9hG4bK46784bbd8eb0148fc10691d9766de172 From: "Test" To: Call-ID: CSeq: INVITE Contact: SIP 453 Status: 180 Ringing... Frame 3: 453 bytes on wire (3624 bits), 453 bytes captured (3624 bits) Ethernet II, Src: JuniperN_7a:ab:82, Dst: AlcatelB_34:45:d2 Status-Line: SIP/ Ringing :5060;received= ;branch=z9hG4bK46784bbd8eb0148fc10691d9766de172 From: "Test" To: Call-ID: CSeq: INVITE Contact: SIP/SDP 798 Status: 200 Call accepted, with session description Frame 4: 798 bytes on wire (6384 bits), 798 bytes captured (6384 bits) Ethernet II, Src: JuniperN_7a:ab:82, Dst: AlcatelB_34:45:d2 Status-Line: SIP/ Call accepted :5060;received= ;branch=z9hG4bK46784bbd8eb0148fc10691d9766de172 From: "Test" To: Call-ID: CSeq: INVITE Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE Contact: Require: timer Supported: replaces, timer Session-Expires: 900;refresher=uac Content-Type: application/sdp Content-Length: 137 Message Body Session Description Protocol Session Description Protocol Version (v): 0 Owner/Creator, Session Id (o): VOCAL IN IP Session Name (s): - Connection Information (c): IN IP Time Description, active time (t): 0 0 Media Description, name and address (m): audio 1260 RTP/AVP 8 Media Attribute (a): rtpmap:8 PCMA/8000 Media Attribute (a): ptime:184 Page 13

18 SIP 474 Request: ACK Frame 5: 474 bytes on wire (3792 bits), 474 bytes captured (3792 bits) Ethernet II, Src: AlcatelB_34:45:d2, Dst: JuniperN_7a:ab:82 Request-Line: ACK SIP/2.0 Contact: User-Agent: OmniPCX Enterprise R10.0 j To: From: "Test" Call-ID: CSeq: ACK ;branch=z9hG4bKce6afae5ead76f0b488865f10e1240cd Max-Forwards: SIP 477 Request: BYE Frame 6: 477 bytes on wire (3816 bits), 477 bytes captured (3816 bits) Ethernet II, Src: AlcatelB_34:45:d2, Dst: JuniperN_7a:ab:82 Request-Line: BYE SIP/2.0 Supported: replaces,timer,path,100rel User-Agent: OmniPCX Enterprise R10.0 j To: From: Call-ID: CSeq: BYE ;branch=z9hG4bKc9da223106eb c2ec36d967f78 Max-Forwards: SIP 435 Status: 200 OK Frame 7: 435 bytes on wire (3480 bits), 435 bytes captured (3480 bits) Ethernet II, Src: JuniperN_7a:ab:82, Dst: AlcatelB_34:45:d2 Status-Line: SIP/ OK :5060;received= ;branch=z9hG4bKc9da223106eb c2ec36d967f78 From: To: Call-ID: CSeq: BYE Contact: Page 14

19 Authentication fail due to missing Realm setting in SIP SIP Proxy Scenario Norphonic Phone at tries to register with Alcatel Lucent OmniPCX Enterprise at in Frame 1. OXE replies a 401 Unauthorized in frame 2 with a request for WWW Digest Auth and qop= auth Norphonic Phone run a new REGISTER message, but uses OXE s IP as realm causing the MD5 hash response to be rendered different than expected by OXE. OXE denies the REGISTER with a new 401 Unauthorized in frame 4 as the password hash do not match. Trace SIP 509 Request: REGISTER sip: :5060 Frame 1: 509 bytes on wire (4072 bits), 509 bytes captured (4072 bits) Ethernet II, Src: JuniperN_7a:ab:82, Dst: AlcatelB_34:45:d2 Request-Line: REGISTER sip: :5060 SIP/2.0 Method: REGISTER Request-URI: sip: :5060 [Resent Packet: False] :5060;rport;branch=z9hG4bK1qc19fefe6b2d2 From: SIP tag: To: Call-ID: CSeq: 1 REGISTER Sequence Number: 1 Method: REGISTER Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE Contact: Contact-URI: Max-Forwards: 15 Supported: replaces, timer Expires: SIP 433 Status: 401 Unauthorized (0 bindings) Frame 2: 433 bytes on wire (3464 bits), 433 bytes captured (3464 bits) Ethernet II, Src: AlcatelB_34:45:d2, Dst: JuniperN_7a:ab:82 Status-Line: SIP/ Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 1] [Response Time (ms): 30] Page 15

20 WWW-Authenticate: Digest qop="auth",nonce="94f8f57f853b a6b3295c1afe",realm="" Authentication Scheme: Digest qop="auth" nonce="94f8f57f853b a6b3295c1afe" realm="" To: SIP tag: 9b34cc a5501fcc5fb40d9fd16 From: SIP tag: Call-ID: CSeq: 1 REGISTER Sequence Number: 1 Method: REGISTER :5060;received= ;rport=5060;branch=z9hG4bK1qc19fefe6b2d SIP 737 Request: REGISTER sip: :5060 Frame 3: 737 bytes on wire (5896 bits), 737 bytes captured (5896 bits) Ethernet II, Src: JuniperN_7a:ab:82, Dst: AlcatelB_34:45:d2 Request-Line: REGISTER sip: :5060 SIP/2.0 Method: REGISTER Request-URI: sip: :5060 [Resent Packet: False] :5060;rport;branch=z9hG4bK2qc19fefe6b2d2 From: SIP tag: To: Call-ID: CSeq: 2 REGISTER Sequence Number: 2 Method: REGISTER Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE Contact: Contact-URI: Authorization: Digest realm=" ", nonce="94f8f57f853b a6b3295c1afe", username="1158", uri="sip: :5060", response="b53ba4d023460f9e1b13f e3", nc= , cnonce=" ", qop=auth, algorithm=md5 Authentication Scheme: Digest realm=" " nonce="94f8f57f853b a6b3295c1afe" username="1158" uri="sip: :5060" response="b53ba4d023460f9e1b13f e3" nc= cnonce=" " qop=auth algorithm=md5 Max-Forwards: 15 Supported: replaces, timer Expires: SIP 433 Status: 401 Unauthorized (0 bindings) Frame 4: 433 bytes on wire (3464 bits), 433 bytes captured (3464 bits) Page 16

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