Can't make outbound call (service unavailable on cisco SPA 502g)

Hi, I hope you can give me some advice because for the past few weeks we cant make outbound calls to our extension. here are the logs. thank you and more power.

[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: – Goto (macro-dial-one,s,48)
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: – Executing [s@macro-dial-one:48] ExecIf(“SIP/6120-00000043”, “0?Set(DIALSTATUS=NOANSWER)”) in new stack
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: – Executing [s@macro-dial-one:49] NoOp(“SIP/6120-00000043”, “Returned from dial-one with nothing to call and DIALSTATUS: BUSY”) in new stack
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: – Executing [s@macro-dial-one:50] MacroExit(“SIP/6120-00000043”, “”) in new stack
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: – Executing [s@macro-exten-vm:10] Set(“SIP/6120-00000043”, “SV_DIALSTATUS=BUSY”) in new stack
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: – Executing [s@macro-exten-vm:11] GosubIf(“SIP/6120-00000043”, “0?docfu,1()”) in new stack
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: – Executing [s@macro-exten-vm:12] GosubIf(“SIP/6120-00000043”, “0?docfb,1()”) in new stack
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: – Executing [s@macro-exten-vm:13] Set(“SIP/6120-00000043”, “DIALSTATUS=BUSY”) in new stack
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: – Executing [s@macro-exten-vm:14] ExecIf(“SIP/6120-00000043”, “0?MacroExit()”) in new stack
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: – Executing [s@macro-exten-vm:15] GotoIf(“SIP/6120-00000043”, “1?s-BUSY,1”) in new stack
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: – Goto (macro-exten-vm,s-BUSY,1)
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: – Executing [s-BUSY@macro-exten-vm:1] GotoIf(“SIP/6120-00000043”, “0?exit,1”) in new stack
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: – Executing [s-BUSY@macro-exten-vm:2] PlayTones(“SIP/6120-00000043”, “busy”) in new stack
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: – Executing [s-BUSY@macro-exten-vm:3] Busy(“SIP/6120-00000043”, “20”) in new stack
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] app_macro.c: == Spawn extension (macro-exten-vm, s-BUSY, 3) exited non-zero on ‘SIP/6120-00000043’ in macro ‘exten-vm’
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: == Spawn extension (from-internal, 6020, 2) exited non-zero on ‘SIP/6120-00000043’
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: – Executing [h@from-internal:1] Hangup(“SIP/6120-00000043”, “”) in new stack
[2014-05-07 15:14:54] VERBOSE[7898][C-00000038] pbx.c: == Spawn extension (from-internal, h, 1) exited non-zero on ‘SIP/6120-00000043’
[2014-05-07 15:15:01] VERBOSE[2812] asterisk.c: – Remote UNIX connection
[2014-05-07 15:15:01] VERBOSE[7902] asterisk.c: – Remote UNIX connection disconnected
[2014-05-07 15:15:15] VERBOSE[2919][C-00000039] netsock2.c: == Using SIP RTP TOS bits 184
[2014-05-07 15:15:15] VERBOSE[2919][C-00000039] netsock2.c: == Using SIP RTP CoS mark 5
[2014-05-07 15:15:15] VERBOSE[7979][C-00000039] pbx.c: – Executing [6410@from-internal:1] Set(“SIP/6023-00000044”, “__RINGTIMER=15”) in new stack
[2014-05-07 15:15:15] VERBOSE[7979][C-00000039] pbx.c: – Executing [6410@from-internal:2] Macro(“SIP/6023-00000044”, “exten-vm,novm,6410,0,0,0”) in new stack
[2014-05-07 15:15:15] VERBOSE[7979][C-00000039] pbx.c: – Executing [s@macro-exten-vm:1] Macro(“SIP/6023-00000044”, “user-callerid,”) in new stack
[2014-05-07 15:15:15] VERBOSE[7979][C-00000039] pbx.c: – Executing [s@macro-user-callerid:1] Set(“SIP/6023-00000044”, “TOUCH_MONITOR=1399446915.68”) in new stack
[2014-05-07 15:15:15] VERBOSE[7979][C-00000039] pbx.c: – Executing [s@macro-user-callerid:2] Set(“SIP/6023-00000044”, “AMPUSER=6023”) in new stack
[2014-05-07 15:15:15] VERBOSE[7979][C-00000039] pbx.c: – Executing [s@macro-user-callerid:3] GotoIf(“SIP/6023-00000044”, “0?report”) in new stack
[2014-05-07 15:15:15] VERBOSE[7979][C-00000039] pbx.c: – Executing [s@macro-user-callerid:4] ExecIf(“SIP/6023-00000044”, “1?Set(REALCALLERIDNUM=6023)”) in new stack
[2014-05-07 15:15:15] VERBOSE[7979][C-00000039] pbx.c: – Executing [s@macro-user-callerid:5] Set(“SIP/6023-00000044”, “AMPUSER=6023”) in new stack
[2014-05-07 15:15:15] VERBOSE[7979][C-00000039] pbx.c: – Executing [s@macro-user-callerid:6] GotoIf(“SIP/6023-00000044”, “0?limit”) in new stack
[2014-05-07 15:15:15] VERBOSE[7979][C-00000039] pbx.c: – Executing [s@macro-user-callerid:7] Set(“SIP/6023-00000044”, “AMPUSERCIDNAME=OCA-FSPCC”) in new stack
[2014-05-07 15:15:15] VERBOSE[7979][C-00000039] pbx.c: – Executing [s@macro-user-callerid:8] GotoIf(“SIP/6023-00000044”, “0?report”) in new stack
[2014-05-07 15:15:15] VERBOSE[7979][C-00000039] pbx.c: – Executing [s@macro-user-callerid:9] Set(“SIP/6023-00000044”, “AMPUSERCID=6023”) in new stack
[2014-05-07 15:15:15] VERBOSE[7979][C-00000039] pbx.c: – Executing [s@macro-user-callerid:10] Set(“SIP/6023-00000044”, “__DIAL_OPTIONS=tr”) in new stack
[2014-05-07 15:15:15] VERBOSE[7979][C-00000039] pbx.c: – Executing [s@macro-user-callerid:11] Set(“SIP/6023-00000044”, “CALLERID(all)=“OCA-FSPCC” <6023>”) in new stack
[2014-05-07 15:15:15] VERBOSE[7979][C-00000039] pbx.c: – Executing [s@macro-user-callerid:12] GotoIf(“SIP/6023-00000044”,

You have a network problem. The phone is unreachable from Asterisk’s perspective.

Need to contact our network administrator.