[Asterisk-Dev] Fwd: Server side call waiting for SIP

[Kevin P. Fleming]

Alistair Cunningham wrote:
> Has anyone on Asterisk-dev implemented this?

I doubt anyone has. It could be done, but it would require moving a lot 
of the code in chan_zap and/or chan_mgcp into res_features.

I can say that this would probably be a welcome addition for people with 
low-end VOIP phones, since the higher-end phones all do this on their own.