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SRST Incoming External Calls issue...

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Salvo111

Technical User
Jul 16, 2008
16
ZA
Hi All,

I have an issue at a client site when running in SRST mode. All phones register correctly with the SRST Router and are able to call internally and make external calls.

But when I try call in from external (eg:via cellphone), instead of ringing on the IP Phone, the call connects but I receive a New Call dialtone and am able to initiate another call via the router.

Could someone tell me what's happening here ?

Thanks,
Phil
 
Is the incoming call on an FXO port or a PRI? If it's on an FXO you need to set it up to autodial the extension using the PLAR command.

voice-port 0/0
connection PLAR 1234

to have incoming calls ring extension 1234
 
Make sure you have direct-inward-dial under your dial-peer.

Stay cool; it’s not over yet!
 
It's a PRI line. Incoming from Telco is 4 digits being with '9xxx' translating to 5 digits starting with '59xxx'.

Attached the config below :


!
card type e1 0 0
!
isdn switch-type primary-net5
!
voice-card 0
no dspfarm
dsp services dspfarm
!
!
!
voice translation-rule 1
rule 1 /9.../ /#5\0/
!
!
voice translation-profile ANI
translate calling 1
!
!
controller E1 0/0/0
pri-group timeslots 1-31 service mgcp
!
!
!
interface Serial0/0/0:15
no ip address
encapsulation hdlc
isdn switch-type primary-net5
isdn incoming-voice voice
isdn bind-l3 ccm-manager
no cdp enable
!
!
ip http server
no ip http secure-server
ip dns server
!
!
!
voice-port 0/0/0:15
translation-profile incoming ANI
!
ccm-manager fallback-mgcp
ccm-manager redundant-host 172.20.1.10
ccm-manager mgcp
ccm-manager music-on-hold
ccm-manager config server 172.20.1.10
ccm-manager config
!
mgcp
mgcp call-agent 172.20.1.11 2427 service-type mgcp version 0.1
mgcp dtmf-relay voip codec all mode out-of-band
mgcp rtp unreachable timeout 1000 action notify
mgcp modem passthrough voip mode nse
mgcp package-capability rtp-package
mgcp package-capability sst-package
mgcp package-capability pre-package
no mgcp package-capability res-package
no mgcp package-capability fxr-package
no mgcp timer receive-rtcp
mgcp sdp simple
mgcp fax t38 inhibit
mgcp rtp payload-type g726r16 static
!
mgcp profile default
!
sccp local GigabitEthernet0/0.120
sccp ccm 172.20.1.11 identifier 2 version 5.0.1
sccp ccm 172.20.1.10 identifier 1 version 5.0.1
sccp ip precedence 3
sccp
!
sccp ccm group 1
associate ccm 1 priority 1
associate ccm 2 priority 2
associate profile 10 register MTP0025456164a0
associate profile 5 register CFB0025456164a0
associate profile 15 register TRN0025456164a0
keepalive retries 5
switchover method immediate
switchback interval 15
!
dspfarm profile 15 transcode
description Clayville_Transcoder
codec g711ulaw
codec g711alaw
codec g729ar8
codec g729abr8
codec g729r8
codec g729br8
maximum sessions 1
associate application SCCP
!
dspfarm profile 5 conference
description Clayville_Conf-Bridge
codec g711ulaw
codec g711alaw
codec g729ar8
codec g729abr8
codec g729r8
codec g729br8
maximum sessions 1
associate application SCCP
!
dspfarm profile 10 mtp
description Clayville_MTP
codec g711ulaw
maximum sessions hardware 8
associate application SCCP
!
!
dial-peer voice 1000 pots
translation-profile incoming ANI
incoming called-number 59...
direct-inward-dial
forward-digits 0
!
dial-peer voice 11 pots
description Local Calls
destination-pattern 011.......
port 0/0/0:15
forward-digits all
!
dial-peer voice 83 pots
description CellPhone Calls
destination-pattern 0[78][^5].......
port 0/0/0:15
forward-digits all
!
dial-peer voice 21 pots
description Nation Calls
destination-pattern 0[12345][12345].......
port 0/0/0:15
forward-digits all
!
dial-peer voice 911 pots
description Emergency Calls
destination-pattern 1....
port 0/0/0:15
forward-digits all
!
dial-peer voice 800 pots
description Toll-Free Calls
destination-pattern 08[06][01]......
port 0/0/0:15
forward-digits all
!
dial-peer voice 90 pots
description InterNational Calls
destination-pattern 00............
port 0/0/0:15
forward-digits all
!
dial-peer voice 102 pots
description Directory Enquiries
destination-pattern 1...
port 0/0/0:15
forward-digits all
!
!
num-exp 9... 59...
!
call-manager-fallback
max-conferences 8 gain -6
transfer-system full-consult
ip source-address 172.2.120.1 port 2000
max-ephones 80
max-dn 90
system message primary WAN Link Down / SRST Enabled
dialplan-pattern 1 0116359... extension-length 5 extension-pattern 59...
transfer-pattern ....
transfer-pattern .....
moh music-on-hold.au
multicast moh 239.10.16.4 port 2000
time-zone 29
!
 
Modify your dial-peer to look like this (as you are stripping the 59):

dial-peer voice 1000 pots
tone ringback alert-no-PI
translation-profile incoming ANI
incoming called-number .
direct-inward-dial

Also modify your translation rule (you are adding a "#")

voice translation-rule 1
rule 1 /.*\(....\)$/ /5\1/
 
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