Accton Technology VG3300 User Manual download pdf (Page 42)

VG3300 series user guide

11.3. Inbound Authentication

You need to configure inbound authentication if you request authentication for other SIP phone to

call you.

Configuration

WEB Page: ADVANCED \ SIP INBOUND AUTHENTICATION

11.4. FAX

For VG3300 software version 1.05 or above, SIP-based T.38 Fax protocol is applied. Any brand SIP

gateway with SIP-based T.38 Fax protocol can transmit FAX with each other. T.38 is FAX protocol

and it has better performance and better successful transmission rate. However, SIP device that

does not support SIP-based T.38 still can transmit and receive FAX with VG3300 by G.711 codec.

G.711 codec uses more bandwidth, so it may not as good as SIP-based T.38 protocol if bandwidth

control is the key factor of the network.

Setup method is listed below:

1. Web folder: “Channel”

Enable T.38 Fax Relay support. Configure it to Yes

2. Warm-Restart the system

Note: For FAX transmission, two gateways will change to SIP-Based T.38 Protocol automatically if

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Accton Technology VG3300 User Manual Page 42