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Cisco MGCP DTMF issue

hi,

when i am calling outside, i dont hear any ring tone, meaning no phone ringing is coming, its just blank

hence i am not able to know if the person phone is ringing or not?

Can some1 help me how to troubleshoot this issue?

Thank,

8 Replies 8

Ayodeji Okanlawon
VIP Alumni
VIP Alumni

Nitesh..Why DTMF heading? Can you send us the sh run of your gateway. Can you describe your call flow..

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"opportunity is a haughty goddess who waste no time with those who are unprepared"

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card type e1 0 3

network-clock-participate wic 3

network-clock-select 1 E1 0/3/0

!

isdn switch-type primary-net5

voice-card 0

no dspfarm

dsp services 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

sip

  registrar server

!

controller E1 0/3/0

framing NO-CRC4

pri-group timeslots 1-31 service mgcp

!

!

interface FastEthernet0/1

no ip address

no ip unreachables

ip nat inside

ip virtual-reassembly

load-interval 30

duplex auto

speed auto

no mop enabled

!

interface FastEthernet0/1.10

description SUB_INT_SUPPORT

encapsulation dot1Q 10

ip address X.X.150.1 255.255.255.0

ip flow ingress

ip nat inside

ip virtual-reassembly

ip policy route-map AIRTEL_2

!

interface Serial0/3/0:15

no ip address

encapsulation hdlc

isdn switch-type primary-net5

isdn incoming-voice voice

isdn bind-l3 ccm-manager

no cdp enable

!

!

!

!

voice-port 0/3/0:15

!

ccm-manager redundant-host X.X.150.8

ccm-manager mgcp

no ccm-manager fax protocol cisco

ccm-manager music-on-hold

ccm-manager config server X.X.150.7 

ccm-manager config

!

mgcp

mgcp call-agent X.X.150.7 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

mgcp package-capability fm-package

no mgcp package-capability res-package

no mgcp timer receive-rtcp

mgcp sdp simple

mgcp fax t38 inhibit

mgcp rtp payload-type g726r16 static

mgcp bind control source-interface FastEthernet0/1.10

mgcp bind media source-interface FastEthernet0/1.10

!

mgcp profile default

!

!

dspfarm profile 1 conference

codec g711ulaw

codec g711alaw

codec g729ar8

codec g729abr8

codec g729r8

codec g729br8

maximum sessions 2

associate application SCCP

!

dspfarm profile 2 mtp

codec g711ulaw

maximum sessions hardware 10

associate application SCCP

dial-peer voice 1 pots

service mgcpapp

port 0/3/0:15

I have the following devices:

1. Cisco 2811 - with IOS 12.4 with latest IOS

2. Cisco CUCM 8.6

3. Integration between 2811 and CUCM 8.6 MGCP.

When i am calling outside i dont hear the phone ringing, its just a blank.. a slience..

I want to hear the phone or call ring when it goes out..

that is the problem...

Do you get ringback on inbound calls? Can you do a test call and send the output of debug isdn q931

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"opportunity is a haughty goddess who waste no time with those who are unprepared"

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Yes when I call my extension from my mobile I get a ringing tone but not vice versa




Sent from Cisco Technical Support Android App

Send the debug isdn q931

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"opportunity is a haughty goddess who waste no time with those who are unprepared"

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have you tried to add the command voice alert send-recv at ur gateway

it was routing linked to my one way audio..

after that worked.. it was working properly...