is-phone vs. Sametime "Voice Chat"

 

is-phone for IBM Sametime

IBM Lotus Sametime "Voice Chat"

Voice Chat

Internal Conference Calls enabled

PSTN Calls enabled (incoming & outgoing)

External availability through own extension

Advanced Telephony Functionality (hold, wait, ...)

External Conference Calls enabled

Access to IBM Lotus Notes databases

Record & Store Calls On Demand

SIP Carrier enabled

PBX independent & SIP 2.0 compliant

Open Source Platform enabled

Multiple Codecs incl. Speex, iLBC, GSM, G711