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voip oneway problem

yangsir
Level 1
Level 1

My C3660 have a NM-HDV-1E1 (voice-port 1/0:15) and 4 fxo pots. All these ports connect to a PBX.

Problem is:

From voice-port 1/0:15, can dial to remote site (not via ccm), from fxo ports can dial IPphone (via CCM), but from voice-port 1/0:15, cannont dial to IPphone (via CCM), and the IPpone can dial to this port.

Some configuration is:

voice-card 1

dsp services dspfarm

!

isdn switch-type primary-net5

!

!

voice call send-alert

voice rtp send-recv

!

voice service voip

h323

h245 caps mode restricted

!

!

voice class codec 1

codec preference 1 g729r8 bytes 30

!

voice-port 1/0:15

cptone CN

!

voice-port 3/0/0

supervisory disconnect anytone

cptone CN

timeouts call-disconnect 5

!

voice-port 3/0/1

supervisory disconnect anytone

cptone CN

timeouts call-disconnect 5

!

voice-port 3/1/0

supervisory disconnect anytone

cptone CN

timeouts call-disconnect 5

!

voice-port 3/1/1

supervisory disconnect anytone

cptone CN

timeouts call-disconnect 5

!

!

!

!

dial-peer cor custom

!

!

!

dial-peer voice 500 voip

destination-pattern 2....

session target ipv4:122.11.30.2

!

dial-peer voice 105 pots

destination-pattern 3

direct-inward-dial

port 1/0:15

prefix 83938392#

!

dial-peer voice 300 pots

destination-pattern 4

port 3/0/0

!

dial-peer voice 301 pots

destination-pattern 4

port 3/0/1

!

dial-peer voice 310 pots

destination-pattern 4

port 3/1/0

!

dial-peer voice 311 pots

destination-pattern 4

port 3/1/1

!

dial-peer voice 700 voip

destination-pattern 0T

voice-class codec 1

session target ipv4:83.6.12.2

!

num-exp 1.... 0181....

num-exp 0183.... 3....

!

Thanks,

Yangsir

2 Replies 2

ebreniz
Level 6
Level 6

One reason can be codec mismatch, Please check whether this document can solve your issue

http://www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a008009484b.shtml

smif101
Level 4
Level 4

To use the g.729 codec for your voice card you need to use the command codec complexity high under the dsp services dspfarm command. Try it out and see if that fixes it.

Jason Smith

www.smif101.com