[Asterisk-Users] SIP + ADPCM

[Master Abi]

Checked the archives. I cannot get ADPCM to work with SIP. Calling from 
phone1 (adpcm) to phone 2(ulaw). Both phones Grandstreams with one set 
with G726-32 with v0.7.1 cvs. Has anyone got adpcm to work?

Jan 24 09:00:14 WARNING[409617]: rtp.c:1069 ast_rtp_write: Not sure 
about sending format ADPCM packets
Jan 24 09:00:14 WARNING[409617]: rtp.c:934 ast_rtp_raw_write: Not sure 
about timestamp format for codec format ADPCM

Master