# \#ios **URL:** https://community.solace.com/tag/ios/72.md [Latest](https://community.solace.com/latest.md) · [Categories](https://community.solace.com/categories.md) · [Tags](https://community.solace.com/tags.md) --- ## [Implementing the Request/Reply pattern using MQTT in mobile applications](https://community.solace.com/t/implementing-the-request-reply-pattern-using-mqtt-in-mobile-applications/4400)
**Author:** [@Srikanth\_bethi](https://community.solace.com/u/Srikanth_bethi)\ **Replies:** 4\ **Last updated:** [August 18, 2025, 5:30am UTC](https://community.solace.com/t/implementing-the-request-reply-pattern-using-mqtt-in-mobile-applications/4400 "2025-08-18T05:30:25Z")
Dear Solace Support Team, I am exploring the possibility of implementing the Request/Reply messaging pattern using MQTT in a mobile application (iOS). Could you please confirm if this is feasible using Solace MQTT supp… --- ## [Best Approach for iPhone Front-End App Development with Solace Broker: Publishing to Topics and Subscribing to Queues](https://community.solace.com/t/best-approach-for-iphone-front-end-app-development-with-solace-broker-publishing-to-topics-and-subscribing-to-queues/4316)
**Author:** [@Srikanth\_bethi](https://community.solace.com/u/Srikanth_bethi)\ **Replies:** 1\ **Last updated:** [May 22, 2025, 9:52am UTC](https://community.solace.com/t/best-approach-for-iphone-front-end-app-development-with-solace-broker-publishing-to-topics-and-subscribing-to-queues/4316 "2025-05-22T09:52:47Z")
I’m currently stuck with front-end iPhone app development using Solace broker. I want to publish messages using topics and subscribe to messages using queues. Can you suggest the best approach for this scenario? --- ## [Can MQTT iOS client subscribe to the queue?](https://community.solace.com/t/can-mqtt-ios-client-subscribe-to-the-queue/4146)
**Author:** [@Srikanth\_bethi](https://community.solace.com/u/Srikanth_bethi)\ **Replies:** 10\ **Last updated:** [May 21, 2025, 1:06pm UTC](https://community.solace.com/t/can-mqtt-ios-client-subscribe-to-the-queue/4146 "2025-05-21T13:06:37Z")
I am developing a frontend iOS application that needs to consume events from a Solace queue using MQTTv5. Does MQTT v5 support consuming all persistent messages from a queue? Here’s a bit of the code I’m using. Could yo… --- ## [Subject: Inquiry on Solace AEM Broker Integration for iOS Front-End Application](https://community.solace.com/t/subject-inquiry-on-solace-aem-broker-integration-for-ios-front-end-application/4232)
**Author:** [@Srikanth\_bethi](https://community.solace.com/u/Srikanth_bethi)\ **Replies:** 3\ **Last updated:** [May 7, 2025, 5:13am UTC](https://community.solace.com/t/subject-inquiry-on-solace-aem-broker-integration-for-ios-front-end-application/4232 "2025-05-07T05:13:14Z")
I am currently working on integrating the Solace AEM Broker with my iOS front-end application using WebSockets and I have a few inquiries regarding the feasibility and best practices for this integration. Kindly assist w… --- ## [Queue-Based Message Consumption Using CocoaMQTT in Solace in iOS swift](https://community.solace.com/t/queue-based-message-consumption-using-cocoamqtt-in-solace-in-ios-swift/4137)
**Author:** [@Srikanth\_bethi](https://community.solace.com/u/Srikanth_bethi)\ **Replies:** 6\ **Last updated:** [May 5, 2025, 9:11am UTC](https://community.solace.com/t/queue-based-message-consumption-using-cocoamqtt-in-solace-in-ios-swift/4137 "2025-05-05T09:11:34Z")
Dear Solace Support Team, I am currently working with the CocoaMQTT library to integrate MQTT-based message consumption in my Swift application. I am trying to consume all messages from a queue in Solace, similar to how… --- ## [Issue with MQTT Connection OVER websocket - Network Connection Lost Error for iOS Swift](https://community.solace.com/t/issue-with-mqtt-connection-over-websocket-network-connection-lost-error-for-ios-swift/4127)
**Author:** [@Srikanth\_bethi](https://community.solace.com/u/Srikanth_bethi)\ **Replies:** 3\ **Last updated:** [April 16, 2025, 9:45am UTC](https://community.solace.com/t/issue-with-mqtt-connection-over-websocket-network-connection-lost-error-for-ios-swift/4127 "2025-04-16T09:45:26Z")
Dear Solace Community Team, I’m encountering an issue while trying to connect to the Solace broker over MQTT using CocoaMQTT. Specifically, the connection attempt is being dropped with the error: Error Domain=NSURLErro… --- ## [Subject: Issue with Mismatched Topic and QoS in SUBACK Response](https://community.solace.com/t/subject-issue-with-mismatched-topic-and-qos-in-suback-response/4131)
**Author:** [@Srikanth\_bethi](https://community.solace.com/u/Srikanth_bethi)\ **Replies:** 1\ **Last updated:** [April 15, 2025, 9:23am UTC](https://community.solace.com/t/subject-issue-with-mismatched-topic-and-qos-in-suback-response/4131 "2025-04-15T09:23:05Z")
I am encountering an issue while using MQTT over WebSockets. Specifically, when I attempt to subscribe a message using a topic, the “granted QoS” field in the SUBACK response is always empty. The issue arises in the foll… --- ## [Issue with Establishing MQTT Connections on Ports 443, 55443 for Solace Broker (WSS, TCPS)](https://community.solace.com/t/issue-with-establishing-mqtt-connections-on-ports-443-55443-for-solace-broker-wss-tcps/2114)
**Author:** [@srikanth](https://community.solace.com/u/srikanth)\ **Replies:** 3\ **Last updated:** [January 28, 2025, 12:42am UTC](https://community.solace.com/t/issue-with-establishing-mqtt-connections-on-ports-443-55443-for-solace-broker-wss-tcps/2114 "2025-01-28T00:42:29Z")
I am currently working on integrating an MQTT client with the Solace Broker, using the CocoaMQTT library for iOS. While I am able to successfully establish connections, publish, and subscribe to topics using port 8883 … --- ## [Attach protobuf message to solClient\_msg\_createBinaryAttachmentStream](https://community.solace.com/t/attach-protobuf-message-to-solclient-msg-createbinaryattachmentstream/373)
**Author:** [@Ivan\_Suprynovich](https://community.solace.com/u/Ivan_Suprynovich)\ **Replies:** 1\ **Last updated:** [August 25, 2020, 4:39am UTC](https://community.solace.com/t/attach-protobuf-message-to-solclient-msg-createbinaryattachmentstream/373 "2020-08-25T04:39:02Z")
Hi everyone! Would you be so kind to tell me, how to attach GPBMessage to Solace message? I’m using solClient\_msg\_createBinaryAttachmentStream (C/iOS API) function to send a message, so my question is how to serialize …