NECTIONS TO EMERGENCY SERVICES VIA THE up, Speed Dial, Presence, Intercom, and conference/transfer/forward. The GBX20 is the ideal solution for offices that manage high call volumes or an GBX20. NEITHER GRANDSTREAM NOR ITS OF- office receptionist. By using the GBX20 the telephone attendant can ensure...
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TIPS FOR USING THE GBX20: 1. Power up the GRP2615/GXV3350, the GBX20 extension board will show 1. On the back of GBX20 and the phone, there are slots for the connector the booting up screen with version information and connecting status.
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FCC Caution: Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.