Tempat asal
Shanghai, China
Call control
SIP/UDP dan SIP/TCP (RFC3261), IMS (3GPP), MGCP (RFC3435)
Jaringan
SSH, HTTP, HTTPS, DHCP/PPPoE klien Radius DNS (A/SRV record), SETRUM
Codec
G.711 (a/μ), G.729a, G.722, G722.2
Caller ID
Bellcore/Telcordia, ETSI ROTATE DTMF