Panasonic KX-TDA0484 Programming Manual

Also see for KX-TDA0484: Getting started Programming guide

Contents

Panasonic KX-TDA0484 Programming Manual Manual pdf 24 page image

2.2 Programming24 Programming GuideFAX High Reliable MethodIf ECM-capable fax machines are not available, it is necessary to use the "FAX High ReliableMethod" (a proprietary feature of the card). This feature is used to multiplex the packets whensending them over the network for protection against packet loss. Hence it is possible to achievereliable fax communications without using ECM-capable fax machines.However, keep in mind that this feature does not entirely guarantee error-free fax communications.Also, more bandwidth is required for one VoIP channel when using this feature. The tables belowshow the amount of bandwidth required for one VoIP channel when this feature is in use and not inuse:Required Bandwidth for Fax Communication via LANRequired Bandwidth for Fax Communication via WAN (PPP: Point-to-Point Protocol)Notes• To carry out fax communications between the KX-TDA5480/KX-TDA0484 and KX-TDA0490VoIP Gateway Cards, it is necessary to disable the "FAX High Reliable Method" for the KX-TDA5480/KX-TDA0484 card.• Fax communications cannot take place between the KX-TDA5480/KX-TDA0484 and KX-TDA0480 VoIP Gateway Cards.• Fax communications in the Super G3 mode are not guaranteed.FAX High Reliable Method G.711 Packet Sending Interval20 ms 30 ms 40 msDon't Use 87.2 kbps 79.5 kbps 75.6 kbpsUse 224.8 kbps 213.9 kbps 208.4 kbpsFAX High Reliable Method G.711 Packet Sending Interval20 ms 30 ms 40 msDon't Use 84 kbps 77.3 kbps 74 kbpsUse 221.6 kbps 211.7 kbps 206.8 kbps