Dotcom-Monitor vs VoIPmonitor

Dotcom-Monitor monitors websites and infrastructure, with checks, monitoring locations and alerts listed across its plans. Monitoring capabilities include SSL expiry alerts, keyword monitoring and server monitoring. The free plan is free, billed monthly, and includes up to 25 targets, monitoring as often as every five minutes, two locations, email alerts and seven-day data retention. A subscription is $13.33 a month, billed monthly; pricing varies by platform, target count and frequency. Its plan comparison lists up to 100 targets, one-minute monitoring, 25 locations, private agents and API configuration for Subscription. Enterprise pricing is custom and includes unlimited targets, 30+ locations, SSO and MFA, and 24/7 priority support. Alert channels include email, phone call, SMS, SNMP, webhooks, WhatsApp, Slack, PagerDuty, Microsoft Teams, AlertOps, Status.io and ServiceNow. The service is listed for web, Windows, Linux, iOS and Android. Dotcom-Monitor was founded in 1998 and is headquartered in Excelsior, Minnesota, USA.

VoIPmonitor is an open-source packet sniffer paired with a commercial web GUI for monitoring, troubleshooting, and recording VoIP and RTC calls. It reports MOS, jitter, packet loss, delay, and RTCP data. Recording includes calls and SIPREC sessions, with policy-based retention and deletion rules. Troubleshooting tools provide packet captures, SIP ladder diagrams, audio waveforms, spectral analysis, and TLS/SRTP decryption. The GUI adds dashboards, OLAP analytics, scheduled reports, KPI alerts, and fraud-detection rules. Listed compatibility includes Kamailio, OpenSIPS, FreeSWITCH, Asterisk, Cisco, Avaya, Genesys, Mitel, AudioCodes, Ribbon, and Oracle SBC. Supported protocols include SIP, RTP, RTCP, SIPREC, SKINNY, MGCP, SS7, SCTP, WebRTC, Diameter, TCP, SSL, and TLS. The sniffer runs as a static Linux binary with x86 and ARM builds. Cloud CDR retention is 21 days, PCAP remains on the customer server, and the listed maximum is 2,000 channels. Cloud 3 channels costs $22 a month; On-Premise 10 channels costs $45 a month.