<div dir="ltr"><div class="gmail_extra"><div class="gmail_extra">I removed the following line from the config file and the handshake error disappeared:</div><div class="gmail_extra"><br></div><div class="gmail_extra"><span style="color:rgb(80,0,80);font-size:12.8000001907349px">modparam(&quot;proto_tls&quot;, &quot;ciphers_list&quot;, &quot;NULL&quot;)</span><br></div><div class="gmail_extra"><span style="color:rgb(80,0,80);font-size:12.8000001907349px"><br></span></div><div class="gmail_extra"><span style="color:rgb(80,0,80);font-size:12.8000001907349px">However, now I get the following error when connecting to the server with the SIP client:</span></div><div class="gmail_extra"><br></div><div class="gmail_extra">06-23 21:31:56.418  14512-18595/com.domain E/NativeCrypto﹕ ssl=0x5af0aca8 cert_verify_callback x509_store_ctx=0x584a18b8 arg=0x0</div><div class="gmail_extra">06-23 21:31:56.418  14512-18595/com.domain E/NativeCrypto﹕ ssl=0x5af0aca8 cert_verify_callback calling verifyCertificateChain authMethod=RSA</div></div></div>