reset:0 reset sent:0 paging 0 debug:0 caps:0 IP:0.0.0.0* 0 Unknown 0 keepalive 0 max_line 0 available_line 0 Troubleshooting paging-dn 20 Preferred Codec: g711ulaw Lpcor Type: none ephone-2[1] ac:001D.4595.7FE5 TCP socket: [-1] activeLine:0 whisperLine:0 UNREGISTERED mediaActive:0 whisper mediaActive:0 startMedia:0 offhook:0 ringing:0 reset:0 reset sent:0 paging 0 debug:0 caps:0 IP:0.0.0.0* 0 Unknown 0 keepalive 0 max line 0 available line 0 paging-dn 20 Preferred Codec: g711ulaw Lpcor Type: none ephone-3[2] Mac:0012.4362.C4D2 TCP socket: [2] activeLine:0 whisperLine:0 REGISTERED in SCCP ver 11/9 max streams=0 mediaActive:0 whisper mediaActive:0 startMedia:0 offhook:0 ringing:0 reset:0 reset sent:0 paging 0 debug:0 caps:8 IP:192.168.2.131 * 49916 Telecaster 7960 keepalive 87 max_line 6 available line 6 button 1: CW:1 CCW: (o 0) dn 3 number 103 CH1 shared with monitor-ring button 2: CW:1 CCW: (o 0) dn 1 number 101 CH1 DOWN monitor-ring shared button 3: CW:1 CCW: (o 0) dn 2 number 102 CH1 IDLE monitor-ring shared button 4: CW:1 CCW: (o 0) dn 4 number 104 CH1 IDLE monitor-ring shared button 6: CW:1 CCW: (o 0) dn 10 number 111 CH1 IDLE shared paging-dn 20 Preferred Codec: g711ulaw Lpcor Type: none Watching what TFTP is up to can help you see what your phones are doing when they register. Enable TFTP debug with the debug tftp events command: R1-PBX#debug tftp events TFTP Event debugging is on Now I'll reboot my softphone and see what it does: R1-PBX(config-ephone)#restar restarting 001C.42D1.565D Feb 01:34:30.291: %IPPHONE-6-UNREGISTER NORMAL ephone-10:SEP001C42D15650 P:192.168.10.1 Socket:6 DeviceType:Phone has unregistered normally. Feb 3 01:34:30.335: TFTP: Looking for CTLSEP001C42D1565D.tlv Feb 3 01:34:30.451: TFTP: Looking for CTLSEP001C42D1565D.tlv Feb 3 01:34:30.615: TFTP: Looking for CTLSEP001C42D1565D.tlv Feb 3 01:34:30.795: TFTP: Looking for SEP001C42D1565D.cnf.xml Feb 3 01:34:30.951: TFTP: Looking for CTLSEP001C42D1565D.tlv Feb 3 01:34:31.143: TFTP: Looking for XMLDefault.cnf.xml Feb 3 01:34:31.643: TFTP: O