6 SIP Accounts
Software upgrade via web
Network capture
TR069
DTMF:In‐Band,RFC2833,SIP INFO
DNS SRV/ A Query/NATPR Query
Support 5 Remote Phonebook URLs
Phonebook: 500 Groups
SIP over TLS,SRTP
SIP v1 (RFC2543), v2 (RFC3261)
5‐way Calling
Blind/attendant Transfer
Speed Dial, Hotline
Call Forward
Call Waiting
Call Pickup, Call Pickup in Group
Music On‐hold, Intercom, Multicast
SMS, Voicemail, MWI
Narrowband Codec: PCMA, PCMU, G.729, G723, G726
HD Voice
