Maintenance Console Location9.13 PBX Configuration—[1-1] Configuration—Slot—V-IPEXT—Card PropertyFeature Guide References5.2.1 IP Proprietary Telephone (IP-PT)First Resending Time (MGCP)Specifies the length of time that the PBX waits before starting to resend MGCP (Media Gateway ControlProtocol) data.To change the value displayed here, click Common Settings and set the desired value.Value Range500 ´ n (n=1–8) msMaintenance Console Location9.13 PBX Configuration—[1-1] Configuration—Slot—V-IPEXT—Card PropertyFeature Guide References5.2.1 IP Proprietary Telephone (IP-PT)Resending Time Out (MGCP)Specifies the length of time after which the PBX terminates resending MGCP (Media Gateway Control Protocol)data.To change the value displayed here, click Common Settings and set the desired value.Value Range75–120 sMaintenance Console Location9.13 PBX Configuration—[1-1] Configuration—Slot—V-IPEXT—Card PropertyFeature Guide References5.2.1 IP Proprietary Telephone (IP-PT)Echo Canceller AbilitySpecifies the echo canceller ability time.NoteFor KX-NT500 series phones, in place of this setting, the setting for Echo Cancellation Ability in9.19 PBX Configuration—[1-1] Configuration—Slot—V-UTEXT—Card Property—Main is applied.Value RangeOFF, 64 ms, 128 ms300 PC Programming Manual9.13 PBX Configuration—[1-1] Configuration—Slot—V-IPEXT—Card Property