Title: Inquiring About Preferred International Calling Systems
Content: Greetings, I am currently operating a recruitment firm in the United Kingdom and I am seeking advice on the best international calling system to utilize for contacting clients in regions such as Singapore, New York, and Hong Kong. I would appreciate any recommendations on cost-effective options. Thank you.

RCadmin
There are several popular voice systems commonly used for international calling, each with their own features, benefits, and costs. Here are some of the most commonly used voice systems for international calling:
VoIP (Voice over Internet Protocol) Services: VoIP services like Skype, Google Voice, and WhatsApp are popular choices for international calling due to their cost-effectiveness, ease of use, and convenience. These services typically offer lower rates for international calls compared to traditional phone carriers.
Virtual Phone Systems: Virtual phone systems like Grasshopper, RingCentral, and Vonage are great options for businesses that need professional calling features like call forwarding, voicemail, and auto-attendants. These systems are cloud-based and can be used on mobile devices, making them a flexible choice for international calling.
International Calling Cards: If you prefer a more traditional approach, international calling cards are a cost-effective option for making international calls. These cards can be purchased online or at local stores and provide a fixed rate per minute for international calls.
SIP Trunking: SIP (Session Initiation Protocol) trunking is a business-grade voice system that uses an internet connection to make and receive calls. SIP trunking can be a good option for businesses that require a high volume of international calls, as it typically offers competitive rates and reliable call quality.
When choosing a voice system for your recruitment firm, consider factors such as call quality, customer support, pricing, and compatibility with your existing systems. It may be beneficial to test out a few different options to see which one best meets your needs for calling clients in the UK, Singapore, New York, and Hong Kong. Additionally, consider any specific features or integrations that may be important for your business, such as call recording, analytics, or CRM integration. Ultimately, the best voice system for your recruitment firm will depend on your specific requirements and budget.