[cisco-voip] Cisco Fax Server/ Resource Unavailable / MGCP H323

["Gregor Weißenfels"]

Hello,

we use the same topology with an CUCM 6.1.1. Here is our working FAX/MGCP config:

no network-clock-participate slot1
!
voice call carrier capacity active -> needed for CUCM 4.2
!
voice service pots
!
voice service voip
fax protocol t38 ls-redundancy 2 hs-redundancy 0 fallback none
h323
session transport udp
h245 tunnel disable
!
voice class codec 1
codec preference 1 g711alaw
!
voice class h323 1
call start slow
!
fax interface fax-mail
!
ccm-manager fallback-mgcp
ccm-manager redundant-host 10.21.5.25
ccm-manager mgcp
ccm-manager music-on-hold
ccm-manager config server 10.21.5.25
ccm-manager config
!
mgcp
mgcp call-agent 10.21.5.26 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
no mgcp package-capability res-package
no mgcp timer receive-rtcp
mgcp sdp simple
mgcp fax t38 gateway force
mgcp rtp payload-type g726r16 static
!
mgcp profile default


HTH,
Gregor

-------- Original-Nachricht --------
> Datum: Mon, 10 Mar 2008 15:47:38 -0500
> Von: "Bill Talley" <billt at aos5.com>
> An: "Kalle Tetto" <tettokalle at hotmail.com>, cisco-voip at puck.nether.net
> Betreff: Re: [cisco-voip] Cisco Fax Server/ Resource Unavailable / MGCP H323

> 
> Was the router reloaded recently?
> 
> Do you have 'ccm-manager config' and 'ccm-manager config server x.x.x.x'
> configured on the router?
> 
> The only time I've seen this is when both of these commands were
> configured.
> Only differential in my scenario was xmedius fax server vs. Captaris.
> Everything else was the same.  In my case, ALL other call routing
> functioned
> as expected, but calls to the fax server failed after 'x' rings.  
> 
> My solution was removing these commands.  Short term work around was
> disable
> mgcp using 'no mgcp', then reactivating 'mgcp'.
> 
> -----Original Message-----
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Kalle Tetto
> Sent: Monday, March 10, 2008 3:36 PM
> To: cisco-voip at puck.nether.net
> Subject: [cisco-voip] Cisco Fax Server/ Resource Unavailable / MGCP H323
> 
> Hi,
> 
> We have a Cisco Fax Server, Captaris 9.3 installed. Connecting via H323 
> to a Cisco CCM Cluster 4.2(3). The CCM is connected via MGCP PRI to the 
> PSTN.
> 
> PSTN<->MGCP VGW E1/PRI <-> CCM 4.2(3) <-> Fax Server H323
> 
> If I call in from PSTN I can see resource unavailable on the Q931 Debug 
> of IOS. I could not test from inside currently, because we configured 
> remotely with no one onsite.
> 
> I receive this error after 3 rings. If I call out from Fax Server it 
> seems to be the same, the called FAX or phone rings, but after 3 rings 
> the Fax server says destination busy.
> 
> I have checked for codec mismatches, but could not find any error. Also 
> I have MTP, Transcoding and Conferencing configured. I will test 
> tomorrow without Media Resources, only to be sure.
> 
> Has anyone had this before?
> 
> Has anyone this setup running, if so could you please pass me the 
> running MGCP Config and the setup in the Fax Server.
> 
> Many Thanks and all the best.
> 
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