Alcatel OmniPCX Enterprise R7.1 Spécifications télécharger pdf (Page 15)

ENT_MLE_015989 - Ed 02_2014-10-13

Chapter 13: Topology – Network Services

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The H.323 gateways and ABC building blocks provide:

– Standard VoIP (H.323): G.711, G.723.1 and G.729A voice codecs and fax

– A high level of feature transparency (ABC protocol)

– Direct RTP between IP phones and distributed media gateways on different nodes to

minimize delay (no transit in the network)

– Ability for calls to overflow transparently to the ISDN/PSTN network when the IP WAN is

out of service or if IP trunks are saturated (See Call Admission Control chapter)

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Alcatel OmniPCX Enterprise R7.1 Spécifications Page 15