[cisco-voip] off-net MGCP call preservation with subscriber reboot

[Lelio Fulgenzi]

Looks like I have that set up. I've included the MGCP portion of my setup. I'll have to check the next time around to see whether or not a call gets dropped or not while the subscribers are restarted. 


I'll have to admit, the config is simply something I started with and updated with TAC help as I found things didn't work. 




mgcp 
mgcp call-agent <snip> 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 package-capability fxr-package 
no mgcp timer receive-rtcp 
mgcp sdp simple 
mgcp fax t38 inhibit 
mgcp bind control source-interface Loopback104 
mgcp bind media source-interface Loopback104 
! 
mgcp profile default 



--- 
Lelio Fulgenzi, B.A. 
Senior Analyst, Network Infrastructure 
Computing and Communications Services (CCS) 
University of Guelph 

519‐824‐4120 Ext 56354 
lelio at uoguelph.ca 
www.uoguelph.ca/ccs 
Room 037, Animal Science and Nutrition Building 
Guelph, Ontario, N1G 2W1 

----- Original Message -----

From: "Brian Meade" <bmeade90 at vt.edu> 
To: "Lelio Fulgenzi" <lelio at uoguelph.ca> 
Cc: cisco-voip at puck.nether.net 
Sent: Friday, June 5, 2015 3:39:02 PM 
Subject: Re: [cisco-voip] off-net MGCP call preservation with subscriber reboot 


For MGCP, they'll normally fail unless you have "no mgcp timer receive-rtcp" on it. 


On Fri, Jun 5, 2015 at 2:38 PM, Lelio Fulgenzi < lelio at uoguelph.ca > wrote: 






We're looking at some maintenance and I wanted to get some clarification with in progress calls during a restart of the cluster. 


We've seen that phone to phone communications is maintained, but I'm pretty sure I've seen MGCP PSTN calls drop when the primary subscriber is rebooted. 


Does this sound about right? 


--- 
Lelio Fulgenzi, B.A. 
Senior Analyst, Network Infrastructure 
Computing and Communications Services (CCS) 
University of Guelph 

519‐824‐4120 Ext 56354 
lelio at uoguelph.ca 
www.uoguelph.ca/ccs 
Room 037, Animal Science and Nutrition Building 
Guelph, Ontario, N1G 2W1 


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