[Asterisk-Users] Linksys PAP2 / RT31P2 + multiple G.729 calls

[Brian McSpadden]

On Tue, 01 Feb 2005 16:21:53 -0200, Leonardo Gomes Figueira
<sabbath at planetarium.com.br> wrote:
> Hi,
> 
> anyone can confirm if the Linksys's ATA and Router (PAP2-NA and
> RT31P2-NA) have the same limitation of just one G.729 call like the
> Cisco ATA 186 ?
> 
> I'm testing both appliances here and found this issue but could not
> confirm this anywhere (nothing on the manual, no document or post from
> any user about this).
> 
> In my tests they use G.729 only on the first call and G.711 on the
> others. If I disable G.729 on sip.conf for both peers they can't
> establish a second call (ring but drop after answer). If there is
> allow=ulaw on sip.conf I can establish 1 G.729 call and 3 G.711 with
> RT31P2-NA (using three-way calling).
> 
> In PAP2-NA if I mark "Use Pref Codec Only" and there is one call
> established, when I call the PAP2 it replies with "488 Not Acceptable Here".
> 

The Sipura SPA-2000 has that limitation, and the linksys ATA is based
on Sipura technology, so it would not surprise me if the PAP2's have
the same problem. Aparently, the Sipura SPA-2100 does not have this
limitation, when the most recent firmware update is applied to it,
however.

Brian