Products
Cloud PBX Platform
Turnkey Solution for MSP
Bring Your Own Infrastructure
Yeastar Management Plane
Hosted PBX for Resellers
Cloud Business Phone System
Linkus UC Softphone
P-Series PBX System
A "PBX-Plus-More" system designed for SMEs that have higher expectations on business communications.
S-Series VoIP PBX
An entry-level PBX system designed for SMEs to make a giant leap in cost savings and efficiency.
Linkus UC Softphone
Bringing Unified Communications to Yeastar users, Linkus is available on Windows & Mac desktop, iOS & Android smartphones.
Learn More >>
More Yeastar Products
VoIP Gateways
K2 Large Capacity IP-PBX
Remote Management
Linkus Cloud Service
Solutions
Business Needs
Cloud Voice
Call Center
Mobility
Branch Office
SMS Solution
Learn More >>
Ecosystem
IP Phones
CRM
Hotel PMS
Door Phone
SIP Paging
Learn More >>
Industry
Hospitality
Transportation
Healthcare
Education
Government
Learn More >>
Featured Solutions
Hosted VoIP
IP Phones
ISDN Switch Off
CRM
Resources
Resources
An index page to help you find the resources you need
Learn More >>
Support Portal
Submit a ticket and request technical assistance online
Learn More >>
Blog
Smart tips and latest trends in unified communications
Learn More >>
Webinar
Online technical trainings and on-demand recordings
Learn More >>
More Resources
Documents
Firmware
Datasheets
Videos
Academy
Yeastar Academy
Get Yeastar training and be certified.
Learn More >>
Online Training
Check the online training schedule.
Learn More >>
Onsite Training
Check the onsite training schedule
Learn More >>
Training Partner
Find a Training Partner that provides local training.
Learn More >>
More about Academy
Self-study
Take the Exam
Become a Training Partner
Certificate Search
Partners
Become a Partner
Join Yeastar Xcelerate Partner Program and grow your business.
Learn More >>
Find a Distributor
Yeastar Distributors support the sale of our solutions.
Learn More >>
Partner Portal
Find the tools and resources that help you grow.
Learn More >>
More Partners
ITSP Partners
Technology Partners
Company
About Us
Who is Yeastar and why Yeastar.
Learn More >>
Contact Us
Ways to get in touch with Yeastar team.
Learn More >>
Company News
Read all the news about Yeastar.
Learn More >>
More About Yeastar
Exhibitions
Events
News | Yeastar Launches New P-Series PBX System Targeting SMEs with Higher Expectations
Download
Free Trial
English
Español
Italiano
Deutsch
Polskie
简体中文
Support Portal
Submit a ticket
Sign in
Yeastar Support
Troubleshooting
BRI/PRI Related Issue
BRI/PRI Related Issue
Follow
New articles
New articles and comments
BRI/PRI Line Related Issue Troubleshooting Content
Common Causes of BRI/PRI Incoming Call Failure
Common Causes of BRI/PRI Line Connection Failure
Common Causes for BRI/PRI Outgoing Call Failure
BRI/PRI CPE Error
BRI Line PTMP Error
Failed to Receive Calls from BRI or PRI Line
BRI/PRI Line Related Issue Troubleshooting Content
Common Causes of BRI/PRI Incoming Call Failure
Common Causes of BRI/PRI Line Connection Failure
Common Causes for BRI/PRI Outgoing Call Failure
BRI/PRI CPE Error
BRI Line PTMP Error
Failed to Receive Calls from BRI or PRI Line
