Here are the log files when i attempt to dial 900 (page group number)
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [900@from-internal:1] Goto("SIP/121-00000d13", "from-internal-original,900,1") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Goto (from-internal-original,900,1)
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [900@from-internal-original:1] Macro("SIP/121-00000d13", "user-callerid,LIMIT") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:1] Set("SIP/121-00000d13", "TOUCH_MONITOR=1448471763.108570") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:2] Set("SIP/121-00000d13", "AMPUSER=121") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:3] GotoIf("SIP/121-00000d13", "0?report") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:4] ExecIf("SIP/121-00000d13", "1?Set(REALCALLERIDNUM=121)") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:5] Set("SIP/121-00000d13", "AMPUSER=121") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:6] GotoIf("SIP/121-00000d13", "0?limit") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:7] Set("SIP/121-00000d13", "AMPUSERCIDNAME=Mark") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:8] GotoIf("SIP/121-00000d13", "0?report") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:9] Set("SIP/121-00000d13", "AMPUSERCID=121") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:10] Set("SIP/121-00000d13", "_DIALOPTIONS=tr") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:11] Set("SIP/121-00000d13", "CALLERID(all)="Mark" <121>") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:12] GotoIf("SIP/121-00000d13", "0?limit") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:13] ExecIf("SIP/121-00000d13", "1?Set(GROUP(concurrency_limit)=121)") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:14] GosubIf("SIP/121-00000d13", "7?sub-ccss,s,1(from-internal-original,900)") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@sub-ccss:1] ExecIf("SIP/121-00000d13", "0?Return()") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@sub-ccss:2] Set("SIP/121-00000d13", "CCSS_SETUP=TRUE") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@sub-ccss:3] GosubIf("SIP/121-00000d13", "0?monitor_config,1(from-internal-original,900):monitor_default,1(from-internal-original,900)") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [monitor_default@sub-ccss:1] GotoIf("SIP/121-00000d13", "0?is_exten") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [monitor_default@sub-ccss:2] StackPop("SIP/121-00000d13", "") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [monitor_default@sub-ccss:3] Return("SIP/121-00000d13", "FALSE") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:15] ExecIf("SIP/121-00000d13", "0?Set(CHANNEL(language)=)") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:16] GotoIf("SIP/121-00000d13", "1?continue") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Goto (macro-user-callerid,s,30)
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:30] Set("SIP/121-00000d13", "CALLERID(number)=121") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:31] Set("SIP/121-00000d13", "CALLERID(name)=Mark") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:32] Set("SIP/121-00000d13", "CDR(cnum)=121") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:33] Set("SIP/121-00000d13", "CDR(cnam)=Mark") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:34] Set("SIP/121-00000d13", "CHANNEL(language)=en") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:35] ExecIf("SIP/121-00000d13", "0?Set(CALLERID(name)=)") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [s@macro-user-callerid:36] GosubIf("SIP/121-00000d13", "0?app-check-classofservce,s,1()") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [900@from-internal-original:2] Set("SIP/121-00000d13", "ROUTEUSER=121") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [900@from-internal-original:3] GotoIf("SIP/121-00000d13", "1?notblind") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Goto (from-internal-original,900,6)
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [900@from-internal-original:6] GotoIf("SIP/121-00000d13", "1?restrictedroute-83f1807ba6c14eef109c67d41a45063c,900,2:outbound-allroutes,900,2") in new stack
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Goto (restrictedroute-83f1807ba6c14eef109c67d41a45063c,900,2)
[2015-11-25 12:16:03] WARNING[15180] pbx.c: Channel 'SIP/121-00000d13' sent into invalid extension '900' in context 'restrictedroute-83f1807ba6c14eef109c67d41a45063c', but no invalid handler
[2015-11-25 12:16:03] VERBOSE[15180] pbx.c: -- Executing [h@restrictedroute-83f1807ba6c14eef109c67d41a45063c:1] Hangup("SIP/121-00000d13", "") in new stack