GSM/3G/4G to VoIP and VoIP
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- GSM/3G/4G to VoIP and VoIP (5)
- Voip GSM Gateway (4)
- common RJ-48c / T1 interfaces (1)
- Protocol: SIP (5)
- 1 GSM or WCDMA Channel (1)
- VoIP to E1/T1/J1 (1)
- 2 GSM or WCDMA Channels (1)
- GSM Frequency: 850/900/1800/1900MHz (3)
- 4 GSM or WCDMA Channels (1)
- 8 GSM or WCDMA Channels (1)
- VoIP Gateway (10)
- 16 GSM or WCDMA Channels (1)