ArtDio IPF-3000 - Manual (Page 21)

Quick Installation Guide
IPF-3000
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To set up personal CODEC preference:
z 『Main Menu』=>『8.Advanced』/『1.CODEC』/『1.Preferences』
z Reorder the CODEC precedence：
i. 0: Disable the selected CODEC
ii. 1: Highest priority
iii. 8: Lowest priority
Note: if you disable all CODECs, it will auto-arrange the available CODECs and
those come with lower bit-rates take precedence. Besides, you should just lower
the priorities of G.711 in most circumstances rather than overly disabling them
such that the phone could gracefully fall back to G.711A or G.711µ when the
peer does not support those low bit-rate CODECs for voice compression.
IX. Advanced Call Processing
1. Mute
z Set up a connected call.
z Press【MUTE】to toggle your voice transmission. On muting state, the red LED of
【MUTE】will be on, and you can hear still the peer’s voice; however they cannot hear
you.
2. Hold and Retrieve
z Set up a connected call.
z Press 【HOLD】 to put the peer on hold and the corresponding green LED of 【A/B
Channel】 will flash (on which time you can put the handset back to the seat while
keeping the peer connected).
z Press 【HOLD】 again to retrieve the call. Alternatively, you can press 【A/B Channel】
to retrieve the call as well. If the handset is on hook, you can retrieve the holding call by
turn on speaker phone by pressing【SPK】 too.
Note: if you are held by the peer, IPF-3000 will play music-on-hold.
3. Handset, Speaker-phone, Ear-phone and Loud-speaker (Open-listening)
z Press 【SPK】 to switch between speaker-phone and handset. The red LED of 【SPK】
indicates speaker-phone is on or off..
z However, if you are in ear-phone mode, then press 【SPK】will switch between handset