Hi, Robert

When the Gateways goes into SRST mode, IP Phones registered to it are able to 
call other phones with no issues.
The IP Phones are registered to the Subscriber
The Gateway´s Device Pool has the same CMG that every other phone in the 
company (The Subscriber is the first choice)
Database Replicaton is Ok. (Sub and Pub are at “2”). I already did a restart of 
the RIS Database service on both Sub & Pub.

I´ll gather the debugs & traces if can´t find another solution. (Don´t want to 
restart the servers…)

From: Schuknecht Robert [mailto:[email protected]]
Sent: martes, 10 de febrero de 2015 12:58 p.m.
To: ROZA, Ariel
Subject: AW: [cisco-voip] Errors 18 and 19 on incoming call only through 
subscriber

Hi Ariel,

what happens when you call a IP-Phone directly from the Gateway? On which CUCM 
are the IP-Phones registered to? Does the gateway have an Device-Pool with an 
CUCM Group consisting of both CUCMs? Could you provide detailed CUCM Traces and 
outputs from debug h225 asn1 and debug h245 asn1? Is the DB-Replication working?

Kind Regards,

Robert



Robert Schuknecht
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Von: cisco-voip [mailto:[email protected]] Im Auftrag von 
ROZA, Ariel
Gesendet: Dienstag, 10. Februar 2015 15:06
An: [email protected]<mailto:[email protected]>
Betreff: [cisco-voip] Errors 18 and 19 on incoming call only through subscriber


 Guys,



I am having and odd situation:



I have a CUCM cluster ( Pub & 1 Sub) where i have set up a new branch office 
with an H323 Gateway and several phones. The config template is similar to 
other already working branches, but in this particular branch incoming calls 
are behaving strangely.

PSTN calls come through a FXO port, pass an autoattendant TCL script  on the GW 
and get routed to CUCM via two identical dialpeers ¡, one for the Sub and one 
for the Pub.

Debugs show that if calls use the Dialpeer to the Pub, the call goes fine, and 
the receiver phone answers the call. But if the call uses the Subs dialpeer, it 
fails with a Disconnect Cause code 18 (user busy) or 19 (user busy - user 
alerted).



The destination in both cases is the same: a Hunt List that is reachable via 
any internal phone.



DNA shows the logic is ok, and debugs on both, the gateway and CUCM show the 
same results, so conectivity should not be an issue.



 Does anyone have any suggestion, besides rebooting the Subs?



CUCM version is 8.6.2

The Pub and the Subs are in different subnets.



Regards,



Ariel.
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