Supports G.711µ/a, G.722 (HD-audio), G.726-32, G.729, GSM, iLBC, Opus and Speex codecs

Security features include SIP over TLS and 128/256-bit SRTP

Up to 6-way audio conference, and 24 virtual BLF keys

Supports 6 SIP accounts

Native integration with mobile devices including contact, call history and ringtones

Enterprise features including IP PBX integration, BLF, call transfer/pickup, call recording with UCM, LDAP

Automatic call forwarding based on time and location rules

Full integration with Grandstream’s UCM-series of IP PBXs, including creation of QR code for automatic provisioning

Voice channel switching between Bluetooth, earphone, speakerphone & 3.5mm headset

Supports 2-way video calls based on SIP & H.264 video codec