| Voice Processing |
| ● Protocol: SIP v2.0, RFC3261 |
| ● Codecs:G.711A/U law, G.723.1, G.729A/B |
| ● Silence Suppression |
| ● Comfort Noise Generator(CNG) |
| ● Voice Activity Detection(VAD) |
| ● Echo Cancellation: G.168 with up to 128ms |
| ● Dynamic Jitter Buffer |
| ● DTMF: RFC2833, SIP Info |
| ● Call Progress Tone Generation |
| ● Programmable Gain Control |
| ● NAT Traversal: STUN, Static/ Dynamic NAT |
| Software Features |
| ● Calling Type: Mobile to VoIP, VoIP to Mobile |
| ● SIP Trunk and Trunk Group |
| ● Up to 32 Caller/Called Number Manipulation Rules |
| ● SIP Codes Mapping |
| ● White/Black List |
| ● Call Waiting |
| ● Callback |
| ● PSTN Hotline |
| ● VoIP Hotline |
| ● Password authentication for incoming and outgoing calls |
| ● Auto provisioning |
| ● SAbnormal Call Monitor |
| ● Call Minutes Limitation |
| Mobile |
| ● SIM Slot: 1 |
| ● SIM Interface: 1.8v, 3.0v SIM Interface |
| ● Frequency Range: GSM 850/900/1800/1900MHz |
| ● SMS/SMSC/USSD |
| ● HTTP API for SMS |
| ● Call Duration Limitation |
| ● Polarity Reversal |
| ● PIN Modify |
| ● Carrier Auto/Manual Selection |
| ● CID/CLIR |
| ● BCCH |
| ● Balance Alarm |
| Maintenance |
| ● Web Based Configuration |
| ● Telnet Configuration |
| ● Configure Backup/Restore |
| ● Support English and Chinese Language |
| ● Firmware upgrade by HTTP/TFTP |
| ● Web & Telnet Login Password Modify |
| ● Factory Reset |
| ● CDR (5000 Lines CDRs Storage Locally) |
