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Helpful
6
Replies

IDN PRI(Asia/Pakistan) Outgoing Issue

Dear,

         I am using 2800 router as gateway for PRI and Analogue trunks.

My topology is..

PRI---->Cisco 2800------>FreepBX

I have configured my router for ISDN PRI and incoming calls are coming to proper extensions as per DIDs.But when i dial outside from freepbx its log show no channel available and outgoing call dosnt makes

Kindly help

Current configuration : 3654 bytes
!
! Last configuration change at 12:19:04 UTC Mon Sep 14 2015
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$ml.W$gFgeC4R3cZwYLfDULvXx81
enable password
!
no aaa new-model
!
resource policy
!
network-clock-participate wic 1
network-clock-select 1 E1 0/1/0
ip subnet-zero
!
!
ip cef
no ip dhcp use vrf connected
ip dhcp excluded-address 192.168.200.1 192.168.200.200
ip dhcp excluded-address 192.168.200.240 192.168.200.254
!
ip dhcp pool cisco
   network 192.168.200.0 255.255.255.0
   default-router 192.168.200.41
   option 150 ip 192.168.200.41
!
!
ip name-server 192.168.200.170    //ip of Freepbx
isdn switch-type primary-net5
!
voice-card 0
 no dspfarm
!
!
voice rtp send-recv
!
voice service voip
 allow-connections h323 to h323
 allow-connections h323 to sip
 allow-connections sip to h323
 allow-connections sip to sip
 redirect ip2ip
 signaling forward unconditional
 sip
  bind control source-interface GigabitEthernet0/0
  bind media source-interface GigabitEthernet0/0
  registrar server expires max 1200 min 300
!

!
voice register pool  1
!

!
controller E1 0/1/0             //connected to PRI
 pri-group timeslots 1-31
!
controller E1 0/1/1
!
!
!
interface GigabitEthernet0/0
 ip address 192.168.200.41 255.255.255.0
 duplex auto
 speed auto
!
interface GigabitEthernet0/1
 no ip address
 shutdown
 duplex auto
 speed auto
!
interface Serial0/1/0:15
 no ip address
 isdn switch-type primary-net5
 isdn incoming-voice voice
 no cdp enable
!
ip classless
!
!
no ip http server
no ip http secure-server
!
!
!
tftp-server flash:apps70.9-2-1TH1-13.sbn
tftp-server flash:cnu70.9-2-1TH1-13.sbn
tftp-server flash:cvm70sip.9-2-1TH1-13.sbn
tftp-server flash:dsp70.9-2-1TH1-13.sbn
tftp-server flash:jar70sip.9-2-1TH1-13.sbn
tftp-server flash:SIP70.9-2-1S.loads
tftp-server flash:term70.default.loads
tftp-server flash:term71.default.loads
!
control-plane
!
!
voice-port 0/0/0
 cptone PK
 timing hookflash-out 50
 connection plar opx 4000
!
voice-port 0/0/1
!
voice-port 0/1/0:15
!
!
no mgcp package-capability res-package
no mgcp package-capability fxr-package
no mgcp timer receive-rtcp
no mgcp explicit hookstate
!
!
dial-peer voice 2 voip                    //voip dialpeer for freepbx
 destination-pattern 4...
 session protocol sipv2
 session target ipv4:192.168.200.170
 session transport udp
 dtmf-relay rtp-nte
 codec g711ulaw
!
dial-peer voice 100 pots            //PRi pots incoming
 numbering-type unknown
 incoming called-number .
 direct-inward-dial
 port 0/1/0:15
!
dial-peer voice 3 voip
 destination-pattern 6...
 session target ipv4:192.168.200.41
 codec g711ulaw
!
dial-peer voice 10 pots           //PRi pots outgoing
 destination-pattern 9T
 port 0/1/0:15
 forward-digits all
!
sip-ua
 retry invite 3
 retry response 3
 retry bye 3
 retry cancel 3
 timers trying 1000
 sip-server ipv4:192.168.200.170
!
!
telephony-service
 load 7970 term70.default
 max-ephones 20
 max-dn 30
 ip source-address 192.168.200.41 port 2000
 auto assign 1 to 10
 auto assign 1 to 10 type 7970
 create cnf-files version-stamp 7960 Sep 14 2015 09:43:40
 max-conferences 8 gain -6
!
!
ephone-dn  1
 number 6001
 name shoaib
!
!
ephone-dn  2
 number 6002
 name hamza
!
!
ephone-dn  3
 number 6003
 name Amir
!
!
ephone  1
 mac-address 18A9.05ED.99C0
 type CIPC
 button  1:1
!
!
!
ephone  2
 mac-address 5CF9.DDE8.BC20
 type CIPC
 button  1:2
!
!
!
ephone  3
 mac-address 001F.6C7F.5DF5
 type 7970
 button  1:3
!
!
line con 0
line aux 0
line vty 0 4
 password *****
 login
line vty 5 15
 password *****
 login
!
scheduler allocate 20000 1000
ntp clock-period 17179878
ntp server 192.168.200.11 key 0
!
end

Show isdn status is

Global ISDN Switchtype = primary-net5
ISDN Serial0/1/0:15 interface
        dsl 0, interface ISDN Switchtype = primary-net5
    Layer 1 Status:
        ACTIVE
    Layer 2 Status:
        TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
    Layer 3 Status:
        0 Active Layer 3 Call(s)
        CCB:callid=12, sapi=0, ces=0, B-chan=1, calltype=VOICE
    Active dsl 0 CCBs = 1
    The Free Channel Mask:  0xFFFF7FFE
    Number of L2 Discards = 0, L2 Session ID = 21
    Total Allocated ISDN CCBs = 1

 

show voice port summary

                                     IN       OUT
PORT      CH   SIG-TYPE   ADMIN OPER STATUS   STATUS   EC
========= == ============ ===== ==== ======== ======== ==
0/0/0     --  fxo-ls      up    dorm idle     on-hook  y
0/0/1     --  fxo-ls      up    dorm idle     on-hook  y
0/1/0:15  01  isdn-voice  up    dorm none     none     y
0/1/0:15  02  isdn-voice  up    dorm none     none     y
0/1/0:15  03  isdn-voice  up    dorm none     none     y
0/1/0:15  04  isdn-voice  up    dorm none     none     y
0/1/0:15  05  isdn-voice  up    dorm none     none     y
0/1/0:15  06  isdn-voice  up    dorm none     none     y
0/1/0:15  07  isdn-voice  up    dorm none     none     y
0/1/0:15  08  isdn-voice  up    dorm none     none     y
0/1/0:15  09  isdn-voice  up    dorm none     none     y
0/1/0:15  10  isdn-voice  up    dorm none     none     y
0/1/0:15  11  isdn-voice  up    dorm none     none     y
0/1/0:15  12  isdn-voice  up    dorm none     none     y
0/1/0:15  13  isdn-voice  up    dorm none     none     y
0/1/0:15  14  isdn-voice  up    dorm none     none     y
0/1/0:15  15  isdn-voice  up    dorm none     none     y
0/1/0:15  17  isdn-voice  up    dorm none     none     y
0/1/0:15  18  isdn-voice  up    dorm none     none     y
0/1/0:15  19  isdn-voice  up    dorm none     none     y
0/1/0:15  21  isdn-voice  up    dorm none     none     y
0/1/0:15  22  isdn-voice  up    dorm none     none     y
0/1/0:15  23  isdn-voice  up    dorm none     none     y
0/1/0:15  24  isdn-voice  up    dorm none     none     y
0/1/0:15  25  isdn-voice  up    dorm none     none     y
0/1/0:15  26  isdn-voice  up    dorm none     none     y
0/1/0:15  27  isdn-voice  up    dorm none     none     y
0/1/0:15  28  isdn-voice  up    dorm none     none     y
0/1/0:15  29  isdn-voice  up    dorm none     none     y
0/1/0:15  30  isdn-voice  up    dorm none     none     y
0/1/0:15  31  isdn-voice  up    dorm none     none     y
50/0/1    1      efxs     up    up   on-hook  idle     y
50/0/2    1      efxs     up    dorm on-hook  idle     y
50/0/3    1      efxs     up    up   on-hook  idle     y

 

 

6 Replies 6

Hi,

 

First remove dialpeer 3 as it isn't needed. Then remove the command 'forward-digits all' from dialpeer 10.

 

After this make a test call from FreePBX and share the output of debug ccsip mess and debug isdn q931

Just adding to Mohammed's point:

How are you dialing out from the FreePBX? I dont see any VoIP dial-peer to catch "all" for configured for the PSTN on the router, that could be the reason.

Secondly, please share the output from "debug  voice dialpeer inout" while you are trying to dial out from the FreePBX. It will explain what is going on in terms of dial-peer.

HTH

Hi Wilson

Thaks for comments

Can you plese elaborate and text the commands

What Wilson meant to say is there may not be seen any VoIP dial peer matching for the calls from FreePBX to gateway, hence share the output of follwowing commands from gateway;

debug ccsip messages

debug voice ccapin inout

debug isdn q931

- Vivek

Dear Vivek,

                     I can't provide with the traces now bcz am not at my workplace now however i will manage it ASAP.

secondly I am confused with comments "What Wilson meant to say is there may not be seen any VoIP dial peer matching for the calls from FreePBX to gateway

If I am not wrong i think i have created the dialpeer for calls from FreePBX to gateway named as dial-peer 10

dial-peer voice 10 pots           //PRi pots outgoing
 destination-pattern 9T    //my extensions inside use 9+ number to dial outside
 port 0/1/0:15                 //use this port/pri for outgoing
 forward-digits all          

Plz PLz comment if this not the outgoing dial peer and plz provide me with exact code to call from pbx to gateway and then to pstn via PRI

Yes, you're right. This is outbound dial-peer to make outgoing calls through PSTN but you also need inbound dial-peer for calls from freepbx to gateway, something like below;

dial-peer voice 200 voip

 incoming called-number .

 session protocol sipv2

 codec g711ulaw

Adding above dial peer should fix your issue. If not, I will be requiring the debugs output which I mentioned earlier.

Also let me know that you've configured forward-digits all command under dial-peer voice 10 pots, does service provider wants prefix (9)? Please crossverify and ignore my comment, if 9 is a part of original called number.

- Vivek