Figure 5 Gac2500 Select Line Sequence Screen - Grandstream Networks GAC2500 User Manual

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4. When the mobile phone is answering an incoming call or dialing out, GAC2500 will collect and play
the sound.
Note:
1. The GAC2500 package contains no 3.5mm audio aux cable, you can buy one at electronic gadgets
store.
2. The line sequence of GAC2500 must be the same as the one of your mobile phone, or the
microphone may work improperly.
3. It is recommended to connect mobile phone first, then GAC2500.
4. You cannot dial or call a number via GAC2500 keypad directly.
5. Once mobile phone mode is enabled, the 3.5mm audio aux line is regarded as one call line.
6. Once a conference is established, the 3.5mm audio aux line is regarded as one party of the
conference.
7. Please do not unplug the 3.5mm audio aux cable or it may cause call exception.
8. The audio quality may vary according to different types of 3.5mm audio aux cable and mobile
phones.
9. Once the 3.5mm male to male cable is inserted, some types of mobile phones may be detected by
GAC2500 only after the call is established.
Firmware Version 1.0.1.18
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Figure 5 GAC2500 Select line Sequence Screen

GVC2500 User Guide Page 19 of 98