Philips Sopho 2000 IPS User Manual page 544

HARDWARE REQUIRED
To provide External Hold Tone Source through the COT and DK card:
COT card
DK card or MP card (built-in External Equipment Interface)
External Hold Tone Source provided locally
To provide Message on Hold by Digital Announcement Trunk:
DAT card or MP card (built-in DAT)
To provide the External Hold Tone Source through the TNT card:
• TNT card or through Pin Jack on MP card
• External Tone Source provided locally
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MUSIC ON HOLD
NWA-008845-001 Rev.5.0
32ch1008.fm