has anyone any experience in using Wifi smartphones as SIP clients? Does
this work properly? What models/brands are optimal for this (in terms of
ease of use, battery life etc)?
I am still having major issues with dtmf recognition. My setup is Polycom end points. Tried this with different models, firmware and cfgs. Outbound calls are not going out reliably. Phones are set to rfc2833. I have had sangoma and elastix support l..