Purchase Qty. Reference FOB Price
3,000-4,999 Pieces US$30.00
5,000-9,999 Pieces US$25.00
10,000+ Pieces US$20.00
Product Description
Specification Parameter Details SIP Audio Parameters HD Voice Encoding/Decoding: G.711/722/729, AMR-NB/WB, iLBC, Opus With automatic echo cancellation DTMF: In-band,Out-of-band,SIP INFO Phone Features Support 1 SIP account Incoming/outgoing calls ; caller ID, ringtone User Interface SIP status ...