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TEL: 603-622-0500
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AT&T ISDN Telephones
>> MANUFACTURER >> AT&T >> MODELS >> 6500 SERIES
6504                                         6508


6504 6508
Feature Keys / Line Apperances 10 29
Fixed Feature Keys 9 10
LCD Display -- 2 x 24
Speakerphone Monitor Only YES
Call Timer -- YES
Time & Date -- YES
Adjunct Jack YES YES
Memory Dialing 10 29
Auto Redial YES YES
Message Waiting Light YES YES
Software Provisioning 5ESS Custom
SE AMI
5ESS Custom
SE AMI

>> MANUFACTURER >> AT&T >> MODELS >> 7500 SERIES
7505                             7506                             7507



7505 7506 7507
Feature Keys / Line Apperances 10 10 31
Fixed Feature Keys 8 8 9
Programmable Fixed Feature Keys 3 3 9
w/ green lights
LCD Display -- 2 x 24 2 x 40
Speakerphone YES YES YES
Call Timer YES YES YES
Time & Date YES YES YES
Adjunct Jack YES YES YES
Software Provisioning 5ESS Custom 5ESS Custom TND or TAD02/03, National TAD11A 5ESS Custom TND or TAD02/03, National TAD11A

Lucent ISDN Telephones
>> MANUFACTURER >> LUCENT >> MODELS >> 8500 SERIES
8503                             8510TBD                             8510TND/TAD



8520TAD                                         8528TND/TAD


8503 8510TBD 8510 8520TAD 8528
Feature Keys / Line Apperances 3 10 10 20 28
Fixed Feature Keys 9 9 9 9 9
Feature Control Keys -- 4 4 4 4
Softkeys -- 4 4 10 4
Local Directory 12 22 30 144 30
Speakerphone -- YES YES YES YES
Display -- 2 x 24 2 x 24 7 x 24 2 x 24
Caller ID -- -- YES YES YES
Call Log:
  Outgoing
  Incoming
  Unanswered
--


--



10
10
10

20
20
20

10
10
10
API Data Capability -- -- Optional Standard Optional
Central Office Programming 5ESS Custom 5ESS Custom 5ESS Custom, National 5ESS Custom, National 5ESS Custom, National

Click here for 8510 Product Specification Sheet (PDF Format)

Fujitsu ISDN Telephones
>> MANUFACTURER >> FUJITSU >> MODELS >> SRS SERIES
SRS1050                             SRS2000                             SRS2100



1050 2000 2100
Feature Keys / Line Apperances 21 31 32
Softkeys 4 4 4
Display 2 x 24 4 x 40 4 x 40
Speakerphone YES YES YES
Clock w/ Call Timer YES YES YES
Call Logging 8 Unanswered 8 Unanswered 8 Unanswered
Data Capability Optional Card 38.4Kbps ASYNC Optional Card 19.2Kbps ASYNC or SYNC Optional Card 38.4K ASYNC 64K SYNC
Data API Compatible -- -- YES
Intercom Voice Announce YES YES YES
Memory Dialing 21 28 32
Software Provisioning 5ESS Custom DMS 100 National 1,2,3 5ESS Custom DMS 100 National 1 5ESS Custom DMS 100 National 1,2,3

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