Message Waiting Indicator on Avaya SIP phone?

[ppenning]

Hello All,
I am trying to get the MWI working on a 4610SW running off of the Avaya SES SIP server connected to an 8710. I can get the indication using the SIP Softphone client from Counterpath (X-10) but the light won't activate on the hard phone. Any thoughts?

Thanks,
Perry

 

[ppenning]

Bump

 

[BAC42]

Hi,

My understanding of the SIP standard is that not every feature was set out in the standard. MWI was one of those missed out and to meet the requirement vednors have implemented this in different ways. Avaya and Counterpath have probably chosen different routes.

SIP is a bit of a nightmare for using different vendors equipment. Try as much as you can to use a single vendors endpoints to minimise integration issues. If you already have Avaya endpoints, why use SIP at all as the features exposed through SIP are reduced compared to that on the Avaya protocol?

Rich

 

[ppenning]

Very true with the Avaya Endpoints. We are looking to push SIP out to our branch locations. We probably won't put Avaya endpoints out there... This was just something strange I noticed. It seems odd that an Avaya switch, with an Avaya SIP server registering an Avaya endpoint can't light a MWI. However, a shareware softphone seems to do it just fine... Interesting...

Avaya does have an enhanced set of features that can be pushed out to SIP endpoints. So while the native SIP feature set is reduced, they seemed to have covered many of the big ones in this "Feature Name Extension" command.

Thanks,
Perry