[cisco-voip] Using another router's PRI while in SRST

Tue Sep 13 11:20:22 EDT 2005

Messagedo you have both routers configured to failover to h323 when MGCP
goes down?
http://www.cisco.com/en/US/tech/tk652/tk701/technologies_configuration_examp
le09186a008012ecc6.shtml

how about a 'debug voip ccapi inout' and 'debug h225 asn1' in failover mode.

/Wes
-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net]On Behalf Of Ruttman, Peter G.
Sent: Tuesday, September 13, 2005 10:31 AM
To: cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] Using another router's PRI while in SRST

I tried this below without luck.  Is this what you were describing or am I
on the wrong track?

dial-peer voice 1 pots
 description Outgoing call dial peer
 preference 1
 destination-pattern 9T
 progress_ind alert enable 8
 direct-inward-dial
 port 4/0:23

dial-peer voice 101 voip
 description Outgoing call dial peer
 preference 2
 destination-pattern 9T
 progress_ind alert enable 8
 session target ipv4:172.28.130.1 (IP address of other SRST router)

  -----Original Message-----
  From: Walenta, Phil [mailto:philip.walenta at berbee.com]
  Sent: Friday, September 09, 2005 11:04 PM
  To: Wes Sisk; Ruttman, Peter G.
  Cc: cisco-voip at puck.nether.net
  Subject: RE: [cisco-voip] Using another router's PRI while in SRST

  Wes, you are correct.  Simply pointing dial peers at the opposite router
will work.  I've done this numerous times with great success.

----------------------------------------------------------------------------
--
  From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Wes Sisk
  Sent: Friday, September 09, 2005 5:47 PM
  To: Ruttman, Peter G.
  Cc: cisco-voip at puck.nether.net
  Subject: Re: [cisco-voip] Using another router's PRI while in SRST

  configure both routers for SRST so router #2 will take over management of
the d-channel when MGCP backhaul to CM goes down.

  Then configure router #1 with an SRST VOIP dial-peer pointing to router#2.
do a normal huntgoup (preference 1, pref 2,).

  believe this should work fine.

  /Wes

  Ruttman, Peter G. wrote:
    I am looking to split my router's PRIs between two 3745 routers.  So if
I loose a router I will still continue to have PSTN service without
technical intervention.  However, if my WAN goes into SRST (the callmanagers
are offsite) then the phones will register to only one of the routers and I
do not know how or if it is possible to configure SRST to access the other
router PRI.  One way is to make two device pool and point each at a
different router and configure SRST on both but that doesn't give me any
redundancy if I also loose a PRI for some reason.  Is there any way for a
signal SRST router to be configured to remotely get at another router's
PRIs?

    Pete

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