VOIP Wireless Sim Card IP Phone

P03-4G build with Spreadrum 4G LTE 5 mode(embedded TD-LTE, LTE FDD,WCDMA and GSM/GPRS/EDGE), Support VOLTEHD voice, It features a 2.4-inch 320 x 240 pixel screen, supports 2.4G WIFI connection, suitable for mobile office occasions.

P03-4G supports HD audio calls based on the SIP protocol, and has excellent hardware ECHO suppression and noisereduction effects; supports the standard SIP2.0 protocol, and is compatible with mainstream soft switches, IMS and IPPBX systems onthe market, as well as various SIP protocol mainstream audio terminal.
P03-4G fixed line is a multi-functional communication terminal, which can be used for voice communication on the IP network and is a VOIP terminal product with high practicality and manageability. It can be used for internal telecom line and networkand has Internet access user. It can connect to the operator's 4G network, and the communication cost is extremely low with the support of the operator It can be used as the center of each proprietary network and is the most traditional communication tool.
Features

1. When either of the 4G phone and the VOIP phone is connected, the other party can also call in
2. Phone book, one-key dialing, SIP account, hands-free calling, incoming and outgoing call query, AP hot spot, super long standby time
3. 2.4-inch color screen design, intelligent and more friendly user interface
4. Super CPU, quad-core A53, creating a smoother operating experience
5. Support the three major operators of China Mobile, China Telecom and China Unicom, and 4G full Netcom
6. Can register 2 SIP accounts, support account switching
7. Support 3-party audio conference, you can add members to join at any time, making communication more convenient
8. Call transfer: When you make a call, click the option button to select transfer, and you can transfer the call with one click, which is fast and worry-free
9. Call hold: During the call, if it is inconvenient, you can press the hold button, the call will not end, press the hold button again, and the call will continue
10. 3 groups of fast dialing, 8 programmable function keys that can be customized, frequently used numbers can be set, one-key call out, convenient for office and elderly use
11. Support Volte high-definition calls, you can imagine high-definition sound quality without the microphone close to the ear
12. One-button hands-free calling, free your hands, chat freely, and do whatever you want
13. Support automatic answering of calls, bid farewell to the trouble of not having time to answer calls when busy
14. Do-not-disturb mode can be set, when someone calls in, it will not ring, but the call information will still be recorded
15. Detailed incoming and outgoing call records, convenient for you to check at any time