Specifications

Setting Up Secure Survivable Remote Site Telephony
How to Configure Secure SRST
136
Cisco Unified Survivable Remote Site Telephony Version 4.0 System Administrator Guide
0x117F 2C25 0x85C6BE6C 50/0/1.0 *2006 g711ulaw 20001/20006
0x1180 2C28 0x860ADFF0 50/0/13.0 2029 g711ulaw 20013/20034
0x1181 2C28 0x8618FBBC 50/0/34.0 *2029 g711ulaw 20034/20013
0x1182 2C2B 0x860C3B1C 50/0/15.0 2036 g711ulaw 20015/20005
0x1183 2C2B 0x860590EC 50/0/5.0 *2036 g711ulaw 20005/20015
0x1184 2C2E 0x8617A090 50/0/32.0 2024 g711ulaw 20032/20007
0x1185 2C2E 0x8606E234 50/0/7.0 *2024 g711ulaw 20007/20032
0x1186 2C31 0x861A56E8 50/0/36.0 2030 g711ulaw 20036/20033
0x1187 2C31 0x86185318 50/0/33.0 *2030 g711ulaw 20033/20036
18 active calls found
Step 4 debug ephone register
Use this command to debug the process of Cisco IP phone registration.
Router# debug ephone register
EPHONE registration debugging is enabled
*Jun 29 09:16:02.180: New Skinny socket accepted [2] (0 active)
*Jun 29 09:16:02.180: sin_family 2, sin_port 51617, in_addr 10.5.43.177
*Jun 29 09:16:02.180: skinny_socket_process: secure skinny sessions = 1
*Jun 29 09:16:02.180: add_skinny_secure_socket: pid =155, new_sock=0, ip address =
10.5.43.177
*Jun 29 09:16:02.180: skinny_secure_handshake: pid =155, sock=0, args->pid=155, ip address
= 10.5.43.177
*Jun 29 09:16:02.184: Start TLS Handshake 0 10.5.43.177 51617
*Jun 29 09:16:02.184: TLS Handshake retcode OPSSLReadWouldBlockErr
*Jun 29 09:16:03.188: TLS Handshake retcode OPSSLReadWouldBlockErr
*Jun 29 09:16:04.188: TLS Handshake retcode OPSSLReadWouldBlockErr
*Jun 29 09:16:05.188: TLS Handshake retcode OPSSLReadWouldBlockErr
*Jun 29 09:16:06.188: TLS Handshake retcode OPSSLReadWouldBlockErr
*Jun 29 09:16:07.188: TLS Handshake retcode OPSSLReadWouldBlockErr
*Jun 29 09:16:08.188: CRYPTO_PKI_OPSSL - Verifying 1 Certs
*Jun 29 09:16:08.212: TLS Handshake completes
Step 5 debug ephone state
Use this command to review call setup between two secure Cisco Unified IP Phones. The debug ephone
state trace shows the generation and distribution of encryption and decryption keys between the two
phones.
Router# debug ephone state
*Jan 11 18:33:09.231:%SYS-5-CONFIG_I:Configured from console by console
*Jan 11 18:33:11.747:ephone-2[2]:OFFHOOK
*Jan 11 18:33:11.747:ephone-2[2]:---SkinnySyncPhoneDnOverlays is onhook
*Jan 11 18:33:11.747:ephone-2[2]:SIEZE on activeLine 0 activeChan 1
*Jan 11 18:33:11.747:ephone-2[2]:SetCallState line 1 DN 2(-1) chan 1 ref 6 TsOffHook
*Jan 11 18:33:11.747:ephone-2[2]:Check Plar Number
*Jan 11 18:33:11.751:DN 2 chan 1 Voice_Mode
*Jan 11 18:33:11.751:dn_tone_control DN=2 chan 1 tonetype=33:DtInsideDialTone onoff=1
pid=232
*Jan 11 18:33:15.031:dn_tone_control DN=2 chan 1 tonetype=0:DtSilence onoff=0 pid=232
*Jan 11 18:33:16.039:ephone-2[2]:Skinny-to-Skinny call DN 2 chan 1 to DN 4 chan 1 instance
1
*Jan 11 18:33:16.039:ephone-2[2]:SetCallState line 1 DN 2(-1) chan 1 ref 6 TsProceed
*Jan 11 18:33:16.039:ephone-2[2]:SetCallState line 1 DN 2(-1) chan 1 ref 6 TsRingOut
*Jan 11 18:33:16.039:ephone-2[2]::callingNumber 6000
*Jan 11 18:33:16.039:ephone-2[2]::callingParty 6000
*Jan 11 18:33:16.039:ephone-2[2]:Call Info DN 2 line 1 ref 6 call state 1 called 6001
calling 6000 origcalled