Vladyslav Velychko
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Activity overview
Latest activity by Vladyslav Velychko-
Vladyslav Velychko created an article,
Troubleshooting Call Quality and Audio Transmission Issues
Overview Common types of call quality and audio transmission issues involve one-way audio transmission, incomprehensible audio, and temporary loss of voice signal (aka choppy audio). This article...
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Vladyslav Velychko created an article,
SIP Retransmission Timeout Critical Request
Overview Sometimes, the following warning entry related to Session Initiation Protocol (SIP) extension appears in the logs: [28/May/2019 20:39:58] Asterisk: SIP retransmission timeout for host 19...
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Vladyslav Velychko created an article,
Connecting Kerio Operator to SIP.US or SIPTRUNK.COM
Overview You can configure a SIP trunk to dial public phone numbers using SIP.US or SIPTRUNK.COM. Prerequisites You need to set up an account at SIP.US or SIPTRUNK.COM and retrieve the following...
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Vladyslav Velychko created an article,
Error 'Received bad response to DCS or training' While Sending Fax
Overview This article provides information regarding the following error while attempting to send a fax: [01/Oct/2019 13:22:48] Failed to send fax from '100' to '0958763727', because Received bad r...
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Vladyslav Velychko created an article,
Monitoring the Kerio Operator
Overview This article describes the process of monitoring the status of the Kerio Operator and its different functions. Preconditions Access to Kerio Operator Administration Information...
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Vladyslav Velychko created an article,
Extremely Loud Volume on Calls
Overview When making calls, you may hear extremely loud and garbled audio, which may occur in the first five seconds of the call after dialing a phone number. This article provides the steps on h...