{"id":1042,"date":"2026-05-20T11:23:39","date_gmt":"2026-05-20T03:23:39","guid":{"rendered":"https:\/\/www.myvoipapp.com\/blog\/?p=1042"},"modified":"2026-05-20T11:23:39","modified_gmt":"2026-05-20T03:23:39","slug":"use-lets-encrypt-certs-to-enable-sip-over-tls","status":"publish","type":"post","link":"https:\/\/www.myvoipapp.com\/blog\/2026\/05\/20\/use-lets-encrypt-certs-to-enable-sip-over-tls\/","title":{"rendered":"Use Let’s Encrypt certs to enable SIP-over-TLS"},"content":{"rendered":"\n

Let’s Encrypt certificates use the PEM format by default, so they can definitely be used to enable SIP-over-TLS.<\/p>\n\n\n\n

We only need to link the Let’s Encrypt certificate file as ‘server.crt’ and the Let’s Encrypt key file as ‘server.key’. For example, the certificate and key signed by Let’s Encrypt for ‘demo.com’ are the following files:<\/p>\n\n\n\n

\/etc\/letsencrypt\/live\/demo.com\/fullchain.pem
\/etc\/letsencrypt\/live\/demo.com\/privkey.pem<\/pre>\n\n\n\n
We create the following symbolic links:<\/p>\n\n\n\n
ln -sf \/etc\/letsencrypt\/live\/demo.com\/fullchain.pem $HOME\/.minisipserver\/siptlsCert\/server.crt
ln -sf \/etc\/letsencrypt\/live\/demo.com\/privkey.pem $HOME\/.minisipserver\/siptlsCert\/server.key<\/pre>\n\n\n\n
After restarting miniSIPServer, SIP-over-TLS will be started using Let’s Encrypt’s certificate and key.<\/p>\n","protected":false},"excerpt":{"rendered":"
Let’s Encrypt certificates use the PEM format by default, so they can definitely be used to enable SIP-over-TLS. We only need to link the Let’s Encrypt certificate file as ‘server.crt’ and the Let’s Encrypt key file as ‘server.key’. For example, the certificate and key signed by Let’s Encrypt for ‘demo.com’ are the following files: \/etc\/letsencrypt\/live\/demo.com\/fullchain.pem\/etc\/letsencrypt\/live\/demo.com\/privkey.pem We create the following symbolic links: ln -sf \/etc\/letsencrypt\/live\/demo.com\/fullchain.pem $HOME\/.minisipserver\/siptlsCert\/server.crtln -sf \/etc\/letsencrypt\/live\/demo.com\/privkey.pem $HOME\/.minisipserver\/siptlsCert\/server.key After restarting miniSIPServer, SIP-over-TLS will be started using Let’s Encrypt’s certificate and…<\/p>\n
 Read More  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[389,99,381,175,132,10],"class_list":["post-1042","post","type-post","status-publish","format-standard","hentry","category-how_to","tag-lets-encrypt","tag-pbx","tag-sip-over-tls","tag-ssl","tag-tls","tag-voip"],"_links":{"self":[{"href":"https:\/\/www.myvoipapp.com\/blog\/wp-json\/wp\/v2\/posts\/1042","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.myvoipapp.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.myvoipapp.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blog\/wp-json\/wp\/v2\/comments?post=1042"}],"version-history":[{"count":1,"href":"https:\/\/www.myvoipapp.com\/blog\/wp-json\/wp\/v2\/posts\/1042\/revisions"}],"predecessor-version":[{"id":1043,"href":"https:\/\/www.myvoipapp.com\/blog\/wp-json\/wp\/v2\/posts\/1042\/revisions\/1043"}],"wp:attachment":[{"href":"https:\/\/www.myvoipapp.com\/blog\/wp-json\/wp\/v2\/media?parent=1042"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blog\/wp-json\/wp\/v2\/categories?post=1042"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blog\/wp-json\/wp\/v2\/tags?post=1042"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}