Lucent Technologies 555-661-150 manual Or more

MERLIN LEGEND Communications System Release 6.1	Issue 1
Network Reference 555-661-150	August 1998

DTouch-Tone Receiver Requirements

System Requirements for Touch-Tone Receivers				Page D-3
	Table D–2. System Requirement for TTRs
		TTRs Required
	Calls/Hour	No Account Codes Used	Account Codes Used
110		2	4
180		4	6
350		4	8
420		6	8
610		6	10
710		8	10

Table D–3 shows the TTRs required for primary delay announcement devices.

Table D–3. TTRs Required for Primary Delay Announcement Devices When

Using Prompt-Based Overflow

Number of Devices	Number of TTRs Required
1	1
2	2
3	3
4	4
5	4
6	5
7	5
8 or more	6