[US]
Specifications:
Item Type: VOIP Phone
Material: ABS
Model: S01
SIM Card: Support standard SIM card (not included), 2 card slots
LCD Display: 2.4 inch color screen
Keys: 3x4 and 25 keys
WIFI: Support 802.11b / g/n
Charging interface: Micro USB charging interface
Input: 5V/1A
Network: 4G full net com.
Frequency: FDD LTE: B1, B3, B7, B20, B28A
TDD LTE: B38, B39, B40, B41
WCDMA: B1, B2, B5, B8
GSM: B2, B3, B5, B8
BT: 4.0
Battery: 1,000 mAh lithium-ion battery (included).
Plug: 100-240V
Fast Dial: M1 to M3, numbers keys 2 to 9
Phone book: Support 500 contact information
Call Recording: Supports 50 records.
Voice Mail: Unread Voice Mail Reminder
Phone function: Add contacts, delete calls, alert, unobtrusive, automatic answer, call transfer, busy transfer, unconditional transfer.
VOIP Parameter:
SIP Protocol: SIP 2.0 (RFC3261)
Transport Protocol: UDP, TCP, TLS
Support 3-way SIP account
DTMF Function: RFC2833 and SIPINFO
Sound Codec: G.722, G.729, AMR, AMRWB, GSM, PCMAPCMU, SPE EX, ILBC, DTMF, ISACWB and OPUS
Sound Function: AEC, AD, CNG, AGC, ANS
3GPP: TS 24.605
Phone Transfer: Support
Fainty: Support
SIP line: 3 lines
Package List:
1 x VOIP phone
1 x Earpiece
1 x Earpiece Cable
1 x Bracket
1 x Micro USB Charging Cable
1 x Power Adapter
1 x Manual (English language not guaranteed).