VoIP E1 to FXS

From: rusdi junaidi (rusdi@jakarta.omnes.slb.com)
Date: Sat Mar 15 2003 - 04:43:40 GMT-3


guys,

sorry if this not the topic we need to discuss but I need some help to
solve, that might be one of you have the same experience.

anyway, I have VoIP E1 -- FXS configuration. Main router has E1 interface
connected to PBX and the remote router has FXS ports connected to the
phones. Voice communication for both sites are working fine but I need the
feature such call forwarding to be able to deliver between FXS sites and
FXS ---E1

Question:

-- Is there anyway for cisco to deliver "call forwarding" ( hookflash)
between FXS sites ? for example calls from FXS (#1234) to the other FXS
(#4567) need to forward to the other FXS (#6789).

All I know call forwarding is working fine for FXO--FXS configuration by
adding "timing-hookflash-in/out" and "dtmf-relay h245"

The configuration for both routers:

----Main router----

isdn switch-type primary-qsig

controller E1 3/0
  framing NO-CRC4
  pri-group timeslots 1-31

interface Serial1/0
  ip address 10.1.1.1 255.255.255.0

interface Serial3/0:15
  no ip address
  no logging event link-status
  isdn switch-type primary-qsig
  isdn incoming-voice voice
  no cdp enable

voice-port 3/0:15

dial-peer voice 1 pots
  destination-pattern 3T
  direct-inward-dial
  port 3/0:15
  prefix 3

dial-peer voice 2 voip
  destination-pattern 2922
  session target ipv4:10.1.1.2

dial-peer voice 3 voip
  destination-pattern 2955
  session target ipv4:10.1.1.2

-----Remote routers------:

interface Serial1/0
  ip address 10.1.1.2 255.255.255.0

voice-port 2/0/0

voice-port 2/0/1

dial-peer voice 2 pots
  destination-pattern 2922
  port 2/0/0
!
dial-peer voice 1 voip
  destination-pattern 3T
  session target ipv4:10.1.1.1
!
dial-peer voice 3 pots
  destination-pattern 2955
  port 2/0/1

thanks,
-rusdi-



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