/mcpSPA112 firmware versions 1.2.1(004) and newer April 5 th 2013 Check for updates at: https://supportforums.cisco.com/docs/DOC-31744 Testing Once you have completed configuring the CUCM, the SPA112, and have verified that the SPA112's Line 1 is registered with the CUCM, you should test both inbound and outbound calls. SPA112 Inbound Calls From a known working phone, dial the extension associated with the Line 1 device of the SPA112, 1022 in this document. The analog phone connected to the SPA112 should ring. When you answer, verify that there is two-way audio. SPA112 Outbound Calls From the analog phone connected to the SPA112 PHONE 1 port, dial the extension of a known working phone registered to the CUCM, 1001 in this document. The target phone should ring. When you answer, verify that there is two-way audio. SIP Registration Packet Trace Following is a Wireshark packet capture of a successful SIP registration with the CUCM: No. Time ToD Source Destination Protocol Length Info 325 69.454 14:36:55.516 10.99.31.132 10.99.31.140 SIP 647 Request: REGISTER sip:10.99.31.140 | Frame 325: 647 bytes on wire (5176 bits), 647 bytes captured (5176 bits) on interface 0 Ethernet II, Src: Cisco_5c:0e:9a (cc:ef:48:5c:0e:9a), Dst: WistronI_11:22:33 (f0:de:f1:11:22:33) Internet Protocol Version 4, Src: 10.99.31.132 (10.99.31.132), Dst: 10.99.31.140 (10.99.31.140) Transmission Control Protocol, Src Port: 5077 (5077), Dst Port: sip (5060), Seq: 1, Ack: 1, Len: 581 Session Initiation Protocol (REGISTER) Request-Line: REGISTER sip:10.99.31.140 SIP/2.0 Message Header Via: SIP/2.0/TCP 10.99.31.132:5077;branch=z9hG4bK-564954c4 From: sip:1022@10.99.31.140;tag=212cfce5c8d03e9o0 To: sip:1022@10.99.31.140 Call-ID: f81e24aa-db5053bf@10.99.31.132 CSeq: 26543 REGISTER Max-Forwards: 70 Contact: sip:1022@10.99.31.132:5077;transport=tcp;expires=3600 P-Station-Name: ;mac=ccef485c0e9a; sn=CBT154305BS User-Agent: Cisco/SPA112-1.3.1(003) P-Station-Name: ;mac=ccef485c0e9a; display=""; sn=CBT154305BS Content-Length: 0 Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER Supported: replaces No. Time ToD Source Destination Protocol Length Info 327 69.456 14:36:55.518 10.99.31.140 10.99.31.132 SIP 349 Status: 100 Trying (0 bindings) | Frame 327: 349 bytes on wire (2792 bits), 349 bytes captured (2792 bits) on interface 0 Ethernet II, Src: WistronI_11:22:33 (f0:de:f1:11:22:33), Dst: Cisco_5c:0e:9a (cc:ef:48:5c:0e:9a)