Datasheet

DPH-400S Series IP Phone Specifications
 APS auto-provisioning for firmware and profile upgrade
 Emergency upgrade if firmware corrupted
5.0 Audio Platform Specifications
To be compliant to the Audio standard: TIA/EIA -810-A.

Send Frequency Response:
The send frequency response shall be below the upper limit and above the lower
limit is shown in Figure below.

Receive Frequency Response
The receive frequency response shall be below the upper limit and above
the lower limit is shown in Figure below.

Send Loudness Rating (SLR): 8 dB±4.0 dB.

Receive Loudness Rating (RLR): 2 dB ±4.0 dB.

Talker Side-tone masking rating (STMR): 18 dB ± 6 dB
D-Link Confidential & Proprietary, Copyright 2007, All Rights reserved. Doc: TPKFS-SIP2008-DL-A
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