The end user only needs to be associated to the phone as a digest user. The SIP third party endpoint must be configured now. The SIP third party endpoint is configured in CUCM similar to a SCCP based ...

If you've been looking around for a solid VoIP/SIP client for the iPad or iPhone, consider CounterPath's Bria. The three most important considerations for any softphone app are call quality; call ...

Over on the Internet Brands Developer Blog, there is an article arguing that Apple's use of the Address Book to aggregate all the different ways to reach someone will eventually lead to a VoIP ...

ShoreTel Monday unveiled ShoreTel 8, the latest version of its unified communications system software. With the update, ShoreTel has added ShoreWare Professional Call Manager, a new high-end desktop ...

Update: We're in the last throes of winter break 2019, which means most Ars' home office phones can stay dormant for a few more days. As such, we've been resurfacing a few classics from the ...

Skype competitor Gizmo is rolling out a Flash version of its SIP phone client. GizmoCall works entirely in the browser, much like other Flash-based phones from Ribbit (which was acquired by BT), ...

An interesting discussion on the Broadband forum of DSLReports.com documents how to reach a Google Voice number via a SIP phone. “this is a direct connection, without going through Gizmo or any other ...

Calypso Wireless, Inc. have completed a demonstration with Ecutel of its dual mode C1250i Wi-Fi-GSM-GPRS VoIP cellular phone. Calypso's mobile phone, which according to the company utilizes the ...

SIP trunking is a type of protocol used for VoIP, although the relationship between the two has often been confused. In this article, we’ll take a close look at what exactly SIP is, what SIP trunks ...