SIP for Mobiles Phones
SIP & Business Mobile SIP Tips
SIP & Windows Mobile 6
SIP calls can be delivered to business mobiles via WiFi networks and the free SIP client software incorporated within Windows Mobile 6. Workers on the move can take phone system calls and GSM mobile calls via the same SIP-enabled devices.
Mobile SIP Clients
SIP and VoIP phone system manufacturers also have SIP client software available, which can be loaded onto smartphones and compatible business mobiles. SIP clients and useful phone system applications are now bringing SIP telephony to the mobile workforce.