
IP phone
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- Telegraphic Transfer in Advance (Advance TT, T/T)
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Basic Info
Payment Type: | Telegraphic Transfer in Advance (Advance TT, T/T) |
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Product Description
Product Description
- Support SIP 2.0 (RFC3261) and correlative RFCs
- SIP supports 4 SIP servers, and backup SIP servers, can connect to these SIP servers at the same time
- Supports SIP UDP/TCP/TLS
- Voice codec: G.711A/U, G.723.1 high/low, G.729AB, G.722, iLBC, AMR
- Video codec: H.263, H.264
- Video solution: QCIF, CIF, VGA, 4CIF, 720P
- Image format: JPG, PNG, GIF and BMP
- Video format: MP4, 3gp and FLV
- Echo cancellation: G.168 Compliance in LEC, additional acoustic echo cancellation (AEC) can reach 96ms max filter length in hands-free mode
- Supports voice gain setting, VAD, CNG
- Supports jitter buffer
- Full duplex hands-free speakerphone
- SIP supports SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/IP call
- DTMF relay: support inband, SIP info, RFC2833
- Supports customized music rings
- Multilanguage realizes localization
- Supports multi-country tone profile
- Supports STUN
- Supports SMS based on SIP
- Volume (handsfree/handset/headset/ring) adjustment
- Visual angle adjustable display screen
- Professional speaker/handset HD Voice
- Ergonomic handset (acoustical cochlea)
- Supports 1080P video play reject service, call firewall for reject authenticated call, white list, limit call, do not disturb, auto answer, caller ID, CLIR (reject the anonymous call), CLIP (make a call with anonymous), dial without register
- Supports call logs with missed calls/incoming calls/outgoing calls, the upper bound of all logs about these types is 500
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