Handover Settings; Ota-Url; Operator Supported Dialing (Osd); User Account Key - Aastra Amc 3 User Manual

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12.7.5 Handover Settings

The following settings determine when a handover from a VoIP call to a cellular call

(and vice versa) is triggered.

Automatic Handovers can be enabled and disabled with the checkbox in this section.

The Disconnect Threshold determines when a call will be handed over to the cellular

network, whereas the Connect Threshold is the minimal signal strength for cellular to

Wi-Fi handovers. Also taken into consideration for handovers is the so called Alpha

Value which is a correction factor for the hysteresis function for handovers. Higher

value means more responsive, lower value means sluggish handover.

Note:

Normally, there should not be any need to modify these settings. However, if you

think that these handovers happen too late, i.e. if the call quality decreases too much

before the handover is done, try adjusting these settings.

The OTA-URL is the link to the Aastra administration portal, from where the AMC will

download the conﬁguration (including license), Feature ﬁle and LCR ﬁle.

Some operators can call your conﬁgured PBX Dialing-in number automatically. Please

note that this will only work with the SIM card for which your AMC was activated. If your

provider supports OSD and if you would like to use it, set this setting to On.

This will only be applied when you are not in a roaming state.

Here you can ﬁnd your AMC User Account key.

Note:

This option might not be supported by your PBX.

This setting can be used to transfer calls from your desk phone to your mobile phone.

Please refer to the documentation of your PBX to check if it supports this feature. There

you will also ﬁnd the information necessary for the conﬁguration of this feature.

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12 Administrator Settings

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