Description

- 4G VOLTE phone
- Built-in WIFI (IEE802.11 b/g/n) 2.4G
- 2.4 inch color screen
- Support SIP 2.0 (RFC3261)
- 3 ways audio conference
- XML/LDAP remote phonebook
- Call transfer/Call hold/Call waiting/Call forward



Specification
| Interface | 1*USB 2.0 port 1*3.5mm headphone jack 2*SIM CARD port 1*TFcardport | 
| LCD Display | 2.4 Inch Color | 
| Network | 4G LTE 5, FDD_LTE, TDD_LTE, 3G, 2G | 
| WIFI | 802.11b/g/n 2.4G | 
| Feature keys | 24 touch keys 4 features keys: Hold/ volume/ hand up/ hands-free (speaker phone) Volume+/- key Menu key/ number keys PPT intercom key | 
| AUDIO | HD Voice Microphone/Speaker (Handset/Hands-free) Excellent Echo Cancellation Technology (ECT) Receiver with intelligent noise reduction ANC Technology Audio codec?G.722,GSM,PCMA,PCMU,G.729AB,iLBC,AMR,DTMF,ISACWB,ISACSWB,OPUS DTMF?Out-of-band(RFC2833)?SIP INFO Full duplex handsfree VAD?CNG?AEC?AGC?ANS 3GPP TS 24.605 | 
| Phone features | 3 SIP accounts Call hold, mute, DND, redail, One-touch speed dial Call forward/ call transfer Redial, back and auto answer Call log: all/out/received/missed/call forward 3-way conferences Direct IP call without SIP proxy Ringer selection Set date time manually or automatically Basic function: received/hand up/call mute Customize app: DSS key | 
| Directory | Phone book (1000 records) Phonebook search Edit, delete contacts Remote Phone Book Support via XML & LDAP | 
| Network and Security | Call server redundancy supported NAT Traversal By STUN Proxy mode and peer-to-peer SIP link mode IP address allocation mode: static/dynamic Support HTTP web server Time and date synchronization using SNTP Support UDP/TCP/TLS QoS?DSCP Support SRTP | 
| Phone interface | Incoming call /missed message led indicator Intuitive user interface Support Chinese/English or other languages Incoming call show name and number | 
| Working parameters | Standby time: 100 hours Talk time: 5 hours Battery capacity: 1000ma/H | 
 
						                        







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