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| G.726 provides proprietary |
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| VAD, | CNG, | and | signal |
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| G.726 provides proprietary |
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| VAD, | CNG, | and | signal |
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| power | estimation, |
| Voice |
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| VAD, | CNG, | and | signal |
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| power | estimation, | Voice |
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| Play Out | unit | (reordering, |
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| power | estimation, | Voice |
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| Play Out | unit | (reordering, |
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| fixed | and | adaptive |
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| Play Out | unit | (reordering, |
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| fixed | and | adaptive |
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| buffer, |
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| clock |
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| fixed | and | adaptive | jitter |
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| buffer, |
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| clock |
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| synchronization), |
| AGC |
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| buffer, |
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| clock |
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| synchronization), |
| AGC |
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| (automatic gain control), |
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| synchronization), | AGC |
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| (automatic gain control), |
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| Status | output, Decoder |
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| (automatic gain control), |
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| Status | output, | Decoder |
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| controlling | via | voice | packet |
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| Status | output, | Decoder |
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| controlling via voice packet |
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| header |
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| controlling via voice packet |
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| header |
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| DHCP Server/Client |
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| Yes, | NAT | Router | or |
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| Yes, | NAT | Router | or |
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| Yes, DHCP Client only | ||||||||||||
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| Switched Mode |
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| Switched Mode |
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| Fax over IP |
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| T.38 | compliant | Group 3 |
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| T.38 compliant Group 3 Fax |
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| T.38 | compliant | Group 3 |
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| Fax Relay up to 14.4kpbs |
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| Relay up to 14.4kpbs and |
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| Fax Relay up to 14.4kpbs |
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| and |
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| and |
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| for Fax |
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| for Fax |
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| Fax Datapump V.17, V.19, |
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| Fax Datapump | V.17, |
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| Fax Datapump V.17, V.19, |
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| V.27ter, V.29 for T.38 fax |
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| V.27ter, V.29 for T.38 fax |
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| V.27ter, V.29 for T.38 fax |
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| relay |
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| relay |
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| relay |
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| QoS |
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| Diffserv, TOS, |
| 802.1 | P/Q |
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| Diffserv, TOS, | 802.1 | P/Q |
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| Diffserv, ToS, |
| 802.1 P/Q |
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| VLAN tagging |
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| VLAN tagging |
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| VLAN tagging |
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| Transport Protocol |
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| RTP/RTCP |
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| RTP/RTCP |
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| RTP/RTCP |
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| DTMF Method |
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| SIP Info |
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| SIP Info |
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| SIP Info |
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| IP Signaling |
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| SIP (RFC 3261) |
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| SIP (RFC 3261) |
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| SIP (RFC 3261) |
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| Provisioning |
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| TFTP, HTTP, HTTPS |
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| TFTP, HTTP, HTTPS |
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| TFTP, HTTP, HTTPS |
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| Control |
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| TLS/SIPS |
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| TLS/SIPS |
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| TLS/SIPS |
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| Management |
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| Syslog support, HTTP and |
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| Syslog support, HTTP and |
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| Telnet access |
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| Telnet access |
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| Telnet access |
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| Dial Plan |
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| Yes |
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| Yes |
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| Yes |
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| UPnP Support |
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| Yes |
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| Yes |
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| N/A |
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| Caller ID |
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| Bellcore Type 1 & 2, ETSI, |
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| Bellcore Type 1 & 2, ETSI, |
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| Bellcore Type 1 & 2, ETSI, | ||||||||||||||||||||
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| BT, NTT, and |
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| BT, NTT, and |
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| CID |
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| CID |
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| CID |
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| Polarity Reversal / |
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| Yes |
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| Yes |
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| Yes |
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| Wink |
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| EMC |
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| EN55022/EN55024 |
| and |
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| EN55022/EN55024 |
| and |
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| EN55022/EN55024 | and |
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| FCC part15 Class B |
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| FCC part15 Class B |
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| FCC part15 Class B |
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Grandstream Networks, Inc. | GXW40XX User Manual | Page 9 of 38 |
| Firmware 1.0.4.2 | Last Updated: 06/2011 |