Voice and Video


SIPAgent client for Android phones

The first client we tried on the Nexus One was Sipdroid. It works reasonably well in our office environment - Avaya PBX with SIP server, Aruba WLAN - but has some quirks. Over the weekend I started to find it annoying when it broke into the incoming audio stream mid-call and repeatedly played ringback tone. Our other Sipdroid experimenter found the same thing, and at times it became so difficult to participate in a conversation that we cast around for an alternative.

The new 'SIPAgent' or SIPAgent Lite on the Android marketplace seems to work a lot better with our setup.
- It's free, loads easily and only gives four fields for configuration, of which you only need three to get going. A preferences page gives a few more, but so far I keep them all at default, apart from setting port to 5060.
- Incoming and outgoing calls work well.
- With a bit of digit manipulation it dials directly from contacts.
- Seems to be using RTCP: this allows the Aruba mobility controller to give an R-value for calls.
- Mid-call DTMF is good: logging into voicemail (or a conference bridge) is fine.
- Can't get an MWI to work, but we use email notification/unified mailbox functions so that's not a big problem.
- Voice quality seems good, but we haven't looked at it in detail.
- I noticed once that the client didn't manage to re-register after leaving and re-entering WLAN coverage, but this needs more testing.

All in all, quite impressive - simple, but it does the job. Congratulations to the developer.

Joe Bob says check it out.
Occasional Contributor II

Re: SIPAgent client for Android phones

It seems that now is called 3cxphone,
also available for iOS. (I hope iOS will use also rtcp)

Occasional Contributor II

Now you have it natively from android 2.3.1

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