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Community Member

Delay when calling out on FXO

Hi Guys,

I have a voice gateway with an E1 card and two 4 port FXO ports. The system has been configured such that when one calls outside starting with a nine(9) the call is routed out throught the E1. When one dials with an 8 it passes through the FXO.

The main problem is that when I cal a number starting with an 8 it takes about 12 seconds for the call to connect. But when I call the same number with the 9 (E1) it connects almsot immediately. What could ve causing the delay?

====================================

Below are the configs on Voice Gateway

====================================

isdn switch-type primary-net5

!

!

!

voice service voip

allow-connections h323 to h323

allow-connections h323 to sip

allow-connections sip to h323

allow-connections sip to sip

!

voice class codec 1

codec preference 1 g711ulaw

codec preference 2 g711alaw

codec preference 3 g729r8

voice-card 0

dsp services dspfarm

controller E1 0/2/0

framing NO-CRC4

pri-group timeslots 1-25

interface Serial0/2/0:15

no ip address

encapsulation hdlc

isdn switch-type primary-net5

isdn incoming-voice voice

no cdp enable

!

voice-port 0/0/0

cptone KE

connection plar opx 101

caller-id enable

!

voice-port 0/0/1

cptone KE

connection plar opx 101

caller-id enable

!

voice-port 0/0/2

cptone KE

connection plar opx 101

caller-id enable

!

voice-port 0/0/3

cptone KE

connection plar opx 101

caller-id enable

!

voice-port 0/2/0:15

!

voice-port 0/1/0

cptone KE

connection plar opx 101

caller-id enable

!

voice-port 0/1/1

cptone KE

connection plar opx 101

caller-id enable

voice-port 0/1/2

cptone KE

connection plar opx 101

caller-id enable

!

voice-port 0/1/3

cptone KE

connection plar opx 101

caller-id enable

!

mgcp profile default

!

sccp local FastEthernet0/0

sccp ccm 192.168.33.250 identifier 1 version 7.0

sccp

!

sccp ccm group 1

associate ccm 1 priority 1

associate profile 1 register CFB001cf6d5e3d6

switchback method graceful

!

dspfarm profile 2 transcode

codec g729abr8

codec g729ar8

codec g711alaw

codec g711ulaw

codec g729br8

codec g729r8

maximum sessions 2

associate application SCCP

shutdown

!

dspfarm profile 1 conference

codec g729br8

codec g729r8

codec g729abr8

codec g729ar8

codec g711alaw

codec g711ulaw

maximum sessions 4

associate application SCCP

!

dial-peer voice 1 pots

description Outbound Dial-Peer

destination-pattern 9.T

direct-inward-dial

port 0/2/0:15

!

dial-peer voice 3 voip

description To-Call-Manager

destination-pattern ...

session protocol sipv2

session target ipv4:192.168.33.250

voice-class codec 1

dtmf-relay h245-signal cisco-rtp h245-alphanumeric rtp-nte sip-kpml sip-notify

!

dial-peer voice 10 pots

destination-pattern 9T

direct-inward-dial

port 0/2/0:15

!

dial-peer voice 150 voip

destination-pattern 000

session target ipv4:192.168.33.250

dtmf-relay h245-signal cisco-rtp h245-alphanumeric rtp-nte

codec g711ulaw

!

dial-peer voice 20 pots

destination-pattern 8.T

port 0/0/0

!

dial-peer voice 21 pots

destination-pattern 8.T

port 0/0/1

!

dial-peer voice 22 pots

destination-pattern 8.T

port 0/0/2

!

dial-peer voice 23 pots

destination-pattern 90725992001

port 0/0/3

dial-peer voice 24 pots

preference 2

destination-pattern 8.T

port 0/1/0

!

dial-peer voice 25 pots

preference 3

destination-pattern 8.T

port 0/1/1

!

dial-peer voice 26 pots

preference 4

destination-pattern 8.T

port 0/1/2

!

dial-peer voice 27 pots

preference 5

destination-pattern 8.T

port 0/1/3

num-exp 9888 9000

======================

ON CUCM

======================

9.!

90[1-9][0-9]XXXXXXX

90[1-9][0-9]XXXXXX

90[1-9][0-9]XXXXX

9.07[38]XXXXXXX

9.07[0-2]XXXXXXX

8.!

80[1-9][0-9]XXXXXXX

80[1-9][0-9]XXXXXX

80[1-9][0-9]XXXXX

8.07[38]XXXXXXX

8.07[0-2]XXXXXXX

6 REPLIES

Delay when calling out on FXO

I wil try

dial-peer voice 20 pots

destination-pattern 80.T

port 0/0/0

prefix 0

Voice CCIE #37771
Community Member

Delay when calling out on FXO

Hi just tried it. No change. Still a delay when calling.

Delay when calling out on FXO

Compair the following please?

Voice  Port Configuration

Router(config)#voice-port 0/0/0

Router(config-voiceport)#signal groundstart

Router(config-voiceport)#connection plar opx 4001

Router(config)#dial-peer voice 80 pots

Router(config-dialpeer)#destination-pattern 8T

Router(config-dialpeer)#port 0/0/0

Voice CCIE #37771
Community Member

Delay when calling out on FXO

Still no difference. On the E1 it connects automatically, but on the FXO there are still delays.

Community Member

Delay when calling out on FXO

The delay on the FXO is approximately 11-12 seconds.

Re: Delay when calling out on FXO

voice-port 0/0
timeouts interdigit xx

Try playing with the interdigit command maybe?


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Voice CCIE #37771
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