Call Forwarding to an AT&T Office@Hand DigitalLine, Wireless, and Business Mobile Extension

This article documents the difference between how a call is forwarded to another extension’s AT&T Office@Hand endpoint and how a call is forwarded to another extension’s Business Mobile device.

The DigitalLine (DL) endpoint may be an IP Deskphone, a desktop app or a mobile app that has been assigned to
an extension.

The Business Mobile device is a smartphone that has been assigned as a native endpoint to an extension.

Note: Simultaneous ringing does not support the addition of other user’s Business Mobile devices to an extension’s call handling and forwarding rules.

Call forwarding to an extension’s DL

An account has 2 extensions. Extension 108 adds Extension 109’s DL in its call handling and forwarding rule. The added DL appears as an assigned device in Extension 108’s call handling and forwarding table (see below figure). On receiving an incoming call, Extension 108’s call handling and forwarding table will be traversed from top to bottom. Each device will ring in the order of and for the specified duration of its entry in the table. If the entire table is traversed without any device picking up the call, it is routed to Extension 108’s voicemail.

Call forwarding to an extension’s Business Mobile device

An account has 2 extensions. Extension 108 adds Extension 109’s Business Mobile in its call handling and forwarding rule. The added Business Mobile device shows as a manually entered number (Home, Work, or Mobile) in Extension 108’s call handling and forwarding table (see below figure). On receiving an incoming call, Extension 108’s call handling and forwarding table will be traversed from top to bottom. Each device will ring in the order of and for the specified duration of its entry in the table. If the entire table is traversed without any device picking up the call, and Extension 109’s Business Mobile is the first Business Mobile entry in the table (other than 108’s BM number) it is routed to Extension 109’s voicemail. If there is any device below Extension 109’s Business Mobile, it will not ring since the call has been sent to Extension 109’s voicemail.

Key Words: AT&T Office@Hand, enhanced mobile, DigitalLine, Business Mobile, Business Mobile devices, voicemail, call handling and forwarding

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