Customer Premises Testing (CPE) Testing - Caller ID Testing
Wyle Laboratories performs testing to Type 1, 2, and 3 Caller Identification (ID) industry standards per Telcordia/Bellcore, European Telecommunications Standards Institute (ETSI), DTMF, and NTT Based Standards. Wyle specializes in Caller ID and Caller ID with Call Waiting (CIDCW) functional testing including the following protocols:
TYPE 1
- CID and Visual Message Waiting Indicator (VMWI) Testing
- On-Hook Transmission Testing
- FSK Receiver Characterization
- Signaling Tolerance
- Signal Timing
- Transmission Impairments
- Special Call Indicator and Call Qualifier Testing
- Power Ringing Variation including Cadenced Ringing Testing
- On-Hook Message Format Verification Testing
- Single Data Message Format (SDMF) Testing
- Multiple Data Message Format (MDMF) Testing
- VMWI Testing
- CID Message Testing
TYPE 2 CPE TESTING
- CAS Detector Testing
- Detector Signaling Tolerance
- Detector Talkoff Performance
- Detector Talkdown Performance
- Off-Hook Transmission and Message Decoding Verification Testing
- FSK Receiver Characterization
- Signaling Tolerance
- Signal Timing
- Transmission Impairments
- Off-Hook Message Format Verification Testing
- Multiple Data Message Format (MDMF) Testing
- CID on Call Waiting (CW) Message Testing
- Message Format Exception Testing
- Checksum Error Detection
- Invalid Types and Lengths
- DTMF Acknowledgement Signal Generation Validation
- CPE Handset Receiver and Transmitter Mute Verification
TYPE 3 CPE TESTING
- ADSI Messaging and Script Event Triggering
- Softkey DTMF Acknowledgement Signal Generation Verification
- CPE Handset Receiver and Transmitter Mute Verification for ADSI Data/Voice Mode Switching
- DC Signaling Generation (Switch Hook Signals, Dial Pulse, Flash, Disconnect)
ECONOMICAL & RESPONSIVE
Wyle provides economical, quick turnaround Caller ID testing. Firm, fixed price quotations are routinely provided and long term or high volume quantity discounts are also available.
TELEPHONE TECHNOLOGY CENTER
Wyle's Telephone Technology Center, in Huntsville, Ala., assists suppliers of Customer 
Premises Equipment (CPE) by providing independent test & design support and competitive evaluations. The main purpose of the Center is to increase product quality & reduce warranty costs by improving CPE performance, competitiveness and reliability.
OTHER CPE COMPLIANCE TESTING
In addition to CID and CIDCW testing, Wyle offers other CPE Compliance Testing including the following:
- ENERGY STAR® Qualification
- FCC Part 15 Radiated Emissions
- FCC Part 68/TIA-968 Analog Network Compatibility
- UL 60950 Compliance/Product Safety
- Bellcore GR-1089 EMI Testing per Section 3.0
- ANSI/TIA/EIA-470-B Performance & Compatibility
- ANSI/TIA-777 CID Conformance
- ANSI/TIA/EIA-571-A Environment Considerations
- Telcordia/Bellcore SR 3004 Type 1, 2, & 3 CID Conformance
- ANSI/TIA/EIA-631 RF Immunity
- TIA/EIA-855 Stutter Dial Tone Detection
- Open Range Testing
- Pulse Tone Sequence testing for sound quality
Wyle can also provide CPE-Switch/Server Interoperability and Line Simulation Testing for the following switches:
- Lucent (AT&T) 5ESS
- Lucent (AT&T) 1AESS
- Siemens Stromberg DCO
- Siemens EWSD
- Nortel DMS 100/200
- Nortel DMS 500
CAPABILITIES & CREDENTIALS
Wyle is an independent laboratory with more than 4,200 employees at nationwide facilities. For five decades, the company has provided dynamic, climatic, reliability and other equipment performance testing and evaluation. Wyle has specialized in supporting the telecommunications, aerospace, defense, energy and transportation industries. Wyle's Huntsville facility is an OSHA-designated Nationally Recognized Testing Laboratory (NRTL), is accredited by A2LA, and operates under an ISO 9001 quality system registered by QMI. Wyle performs a wide variety of product qualification, compliance, functional and reliability testing and evaluation services to Bellcore, IEEE, ANSI/UL, FCC, IEC/CE, TIA/EIA and many other standards. Wyle's facilities include FCC open area test sites, EMC screen rooms, seismic/dynamic vibration systems, HALT/HASS and climatic chambers, and a fire test lab. These resources allow product compliance and competitiveness issues to be readily resolved at one location.