Yealink technical note
Calling and Connected Line Identification Presentation on Yealink IP Phones
A Yealink technical note for the Yealink SIP-T44U (13 pages).
Loading document preview…
About this technical note
About the Calling and Connected Line Identification Presentation on Yealink IP Phones
A Yealink technical note for the Yealink SIP-T44U (13 pages). This copy, last updated by Yealink on April 3, 2026, and you can read it right here or download it.
What’s inside
- SIP Headers Defined in RFC
- FROM
- P-Preferred-Identity
- P-Asserted-Identity
- Remote-Party-ID
- Privacy
- UPDATE
- Calling Line Identification Presentation
- Configuring the Yealink IP Phones
- Calling Line Identification Presentation Enhancement
- Connected Line Identification Presentation
- Configuring the Yealink IP Phone
- Connected Line Identification Presentation Enhancement
Phones covered
Yealink phones this technical note covers
Related
More Yealink technical topics
- PDFYealink SIP IP Phones XML Browser Developer's Guide V1.0DownloadUpdated Jun 15, 2026SIP-T44U
- PDFUsing Security Certificates on Yealink IP Phones V1.4DownloadUpdated May 25, 2026SIP-T44U
- PDFYealink Phonebook Generation Tool User GuideDownloadUpdated Apr 3, 2026SIP-T44U
- PDFYealink Configuration Encryption Tool User Guide V1.2DownloadUpdated Apr 3, 2026SIP-T44U
- PDFLDAP Directory on Yealink IP PhonesDownloadUpdated Apr 3, 2026SIP-T44U
- PDFRecovery Mode on Yealink IP Phones V86DownloadUpdated Apr 3, 2026SIP-T44U
- PDFServer Redundancy on Yealink IP PhonesDownloadUpdated Apr 3, 2026SIP-T44U
- PDFOpenVPN Feature on Yealink IP Phones V1.0DownloadUpdated Apr 3, 2026SIP-T44U
FAQ
Questions about this document
Quick answers, and The Tech Team™ is a call away if you need more.
Need help with your SIP-T44U?
The Tech Team™ can provision, update and troubleshoot your Yealink phones, and move your office onto smplVoice cloud voice.
Yealink and Yealink product names are trademarks of Yealink Network Technology Co., Ltd. Product information, images and documents are published by Yealink and provided here for reference by smplVoice. Firmware and documents are Yealink’s original, unmodified files.