PUBLIC MARKS from dikiy with tag sip

# Voice calls between Google Talk, MSN/Live Messenger and Yahoo! # Voice mail service, interoparable between major IM clients. # Voice conferencing: with any number of participants of any IM type. # Sending off-line messages and notifications. # Calling SIP phones and SIP services. # Receiving calls to your IM from any SIP phone. # Receiving calls to your IM from mobile or landline phones using SIPBroker. # Receiving calls to your IM from web users.

There are eight steps to go; read more at Installing Asterisk on the Nokia 770. Note: A point of interest here is that the linked Asterisk Nokia 770 binary includes a SIP client for OS 2005, which might be useful if you don't want to upgrade for other reasons.

Неплохой sip телефон под винду / работал с asterisk и не жужжал