Yealink SIP-T28P Review – TMCnet

TMCnet
Yealink SIP-T28P Review
TMCnet
In any event, after registering the phone on an Asterisk-based IP-PBX I made a test call. The voice quality was excellent. I switched over to speakerphone …

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This entry was posted on Thursday, June 24th, 2010 at 9:05 pm and is filed under Asterisk. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.